{"id":4252,"date":"2022-09-23T20:35:29","date_gmt":"2022-09-23T20:35:29","guid":{"rendered":"https:\/\/www.studyzonebd.com\/math\/?p=4252"},"modified":"2022-09-23T21:45:22","modified_gmt":"2022-09-23T21:45:22","slug":"class-six-chapter-07-lesson-7","status":"publish","type":"post","link":"https:\/\/www.studyzonebd.com\/math\/class-six-chapter-07-lesson-7\/","title":{"rendered":"\u0985\u09a7\u09cd\u09af\u09be\u09df \u09ed\u09ae\u0983\u00a0\u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0\u09bf\u0995 \u099c\u09cd\u09af\u09be\u09ae\u09bf\u09a4\u09bf | \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u09c0 \u09ed | \u09b7\u09b7\u09cd\u09a0 \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf"},"content":{"rendered":"\n

\u0985\u09a7\u09cd\u09af\u09be\u09df \u09ed\u09ae\u0983 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0\u09bf\u0995 \u099c\u09cd\u09af\u09be\u09ae\u09bf\u09a4\u09bf | \u09ec\u09b7\u09cd\u09a0 \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u0997\u09a3\u09bf\u09a4 \u09ac\u0987 \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09b8\u09ae\u09be\u09a7\u09be\u09a8 | Class Six (06) Math <\/a>Book Solution | Chapter <\/a>07 : Practical Geometry | Online Solution<\/p>\n\n\n\n

\u0985\u09a7\u09cd\u09af\u09be\u09df \u09ed\u09ae\u0983 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0\u09bf\u0995 \u099c\u09cd\u09af\u09be\u09ae\u09bf\u09a4\u09bf | \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u09c0 \u09ed :  \u09b0\u09c7\u0996\u09be,\u09b2\u09ae\u09cd\u09ac \u0993 \u0995\u09cb\u09a3 \u0985\u0999\u09cd\u0995\u09a8<\/h4>\n\n\n\n

\u0985\u09a7\u09cd\u09af\u09be\u09df \u09ed\u09ae\u0983 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0\u09bf\u0995 \u099c\u09cd\u09af\u09be\u09ae\u09bf\u09a4\u09bf | \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u09c0 \u09ed \u098f\u09b0 \u09b8\u0995\u09b2 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8 \u0993 \u0989\u09a4\u09cd\u09a4\u09b0 \u098f\u0996\u09be\u09a8\u09c7 \u09b0\u09df\u09c7\u099b\u09c7\u0964 \u09ec\u09b7\u09cd\u09a0 \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u0997\u09a3\u09bf\u09a4 \u09ac\u0987 \u09b8\u09ae\u09be\u09a7\u09be\u09a8<\/p>\n\n\n\n

\u09ec\u09b7\u09cd\u09a0 \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09b0 \u0997\u09a3\u09bf\u09a4 \u09ed\u09ae \u0985\u09a7\u09cd\u09af\u09be\u09df \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u09c0 \u09ed \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8 \u0993 \u09b8\u09ae\u09be\u09a7\u09be\u09a8<\/span><\/h4>\n\n\n\n

\u09b0\u09c7\u0996\u09be<\/strong>, <\/strong>\u09b2\u09ae\u09cd\u09ac<\/strong> <\/strong>\u0993<\/strong> <\/strong>\u0995\u09cb\u09a3<\/strong> <\/strong>\u0985\u0999\u09cd\u0995\u09a8<\/strong><\/h2>\n\n\n\n

\u09e7<\/strong>. 280 <\/sup><\/strong>\u0995\u09cb\u09a3\u09c7\u09b0<\/strong> <\/strong>\u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u0995<\/strong> <\/strong>\u0995\u09cb\u09a3<\/strong> <\/strong>\u0995\u09a4<\/strong>?<\/strong><\/p>\n\n\n\n

(\u0995) 620<\/sup>   (\u0996) 1180<\/sup>   (\u0997) 1520<\/sup>   (\u0998) 3320
<\/sup>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0997<\/p>\n\n\n\n

\u09e8<\/strong>. 370 <\/sup><\/strong>\u0995\u09cb\u09a3\u09c7\u09b0<\/strong> <\/strong>\u09ac\u09bf\u09aa\u09cd\u09b0\u09a4\u09c0\u09aa<\/strong> <\/strong>\u0995\u09cb\u09a3<\/strong> <\/strong>\u0995\u09a4<\/strong>?<\/strong><\/p>\n\n\n\n

(\u0995) 530<\/sup>  (\u0996) 370<\/sup>  (\u0997) 1270   <\/sup> (\u0998) 1430
<\/sup>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0998<\/p>\n\n\n\n

\u09e9<\/strong>. <\/strong>\u09a6\u09c1\u0987\u099f\u09bf<\/strong> <\/strong>\u0995\u09cb\u09a3<\/strong> <\/strong>\u09aa\u09b0\u09b8\u09cd\u09aa\u09aa\u09b0<\/strong> <\/strong>\u09aa\u09c2\u09b0\u0995<\/strong> <\/strong>\u09b9\u09b2\u09c7<\/strong> <\/strong>\u098f\u09a6\u09c7\u09b0<\/strong> <\/strong>\u09b8\u09ae\u09b7\u09cd\u099f\u09bf<\/strong> <\/strong>\u0995\u09a4<\/strong>?<\/strong><\/p>\n\n\n\n

(\u0995) 3600<\/sup>   (\u0996) 1800 <\/sup>  (\u0997) 900     <\/sup> (\u0998) 800
<\/sup>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0997<\/p>\n\n\n\n

\u09ea<\/strong>. <\/strong>\u09a4\u09cd\u09b0\u09bf\u0995\u09cb\u09a3\u09c0\u09af\u09bc<\/strong> <\/strong>\u098f\u0995\u099f\u09bf<\/strong> <\/strong>\u0995\u09cb\u09a3<\/strong> 450 <\/sup><\/strong>\u09b9\u09b2\u09c7<\/strong> <\/strong>\u0985\u09aa\u09b0<\/strong> <\/strong>\u09ac\u09c3\u09b9\u09a4\u09cd\u09a4\u09b0<\/strong> <\/strong>\u0995\u09cb\u09a3\u099f\u09bf<\/strong> <\/strong>\u0995\u09a4<\/strong>?<\/strong><\/p>\n\n\n\n

(\u0995) 3600 <\/sup>   (\u0996) 1800  <\/sup>  (\u0997) 900    <\/sup> (\u0998) 800
<\/sup>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0997<\/a><\/p>\n\n\n\n

\u09eb<\/strong>. <\/strong>\u09b8\u09ae\u09cd\u09aa\u09be\u09a6\u09cd\u09af\u09c7\u09b0<\/strong> <\/strong>\u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09c7<\/strong>\u2014<\/strong><\/p>\n\n\n\n

i. \u09af\u09be\u09b9\u09be \u09a6\u09c7\u0993\u09af\u09bc\u09be \u09a5\u09be\u0995\u09c7 \u09a4\u09be\u09b9\u09be\u0987 \u0989\u09aa\u09be\u09a4\u09cd\u09a4<\/p>\n\n\n\n

ii. \u09af\u09be\u09b9\u09be \u0995\u09b0\u09a3\u09c0\u09af\u09bc, \u09a4\u09be\u0987 \u0985\u0999\u09cd\u0995\u09a8
iii. \u09af\u09c1\u0995\u09cd\u09a4\u09bf \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u0985\u0999\u09cd\u0995\u09a8 \u0995\u09b0\u09be \u09b9\u09b2\u09cb \u09aa\u09cd\u09b0\u09ae\u09be\u09a8<\/p>\n\n\n\n

\u09a8\u09bf\u099a\u09c7\u09b0 \u0995\u09cb\u09a3\u099f\u09bf \u09b8\u09a0\u09bf\u0995?<\/p>\n\n\n\n

(\u0995) i \u0993 ii (\u0996) i \u0993 iii (\u0997) ii \u0993 iii  (\u0998) i, ii \u0993 iii
\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0995<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u0989\u09aa\u09b0\u09c7\u09b0 \u099a\u09bf\u09a4\u09cd\u09b0\u09c7\u09b0 \u0986\u09b2\u09cb\u0995\u09c7 (\u09ec-\u09ee) \u09a8\u0982 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09c7\u09b0 \u0989\u09a4\u09cd\u09a4\u09b0 \u09a6\u09be\u0993\u0983<\/p>\n\n\n\n

\u09ec<\/strong>. <\/strong>\u2220<\/strong>a=<\/strong>\u0995\u09a4<\/strong>?<\/strong><\/p>\n\n\n\n

(\u0995) 300<\/sup>   (\u0996) 400<\/sup>   (\u0997) 500    <\/sup> (\u0998) 900
<\/sup>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0996<\/p>\n\n\n\n

\u09ed<\/strong>. <\/strong>\u2220<\/strong>a+<\/strong>\u2220<\/strong>b=<\/strong>\u0995\u09a4<\/strong>?<\/strong><\/p>\n\n\n\n

(\u0995) 400<\/sup>   (\u0996) 500<\/sup>   (\u0997) 600    <\/sup> (\u0998) 900
<\/sup>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0998<\/p>\n\n\n\n

\u09ee<\/strong>. <\/strong>\u2220<\/strong>c=<\/strong>\u0995\u09a4<\/strong>?<\/strong><\/p>\n\n\n\n

(\u0995) 900<\/sup>   (\u0996) 1300<\/sup>   (\u0997) 1600    <\/sup> (\u0998) 1800
<\/sup>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0995<\/p>\n\n\n\n

\u09ef<\/strong>. <\/strong>\u099a\u09be\u0981\u09a6\u09be\u09b0<\/strong> <\/strong>\u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af\u09c7<\/strong> <\/strong>\u0986\u0981\u0995\u09be<\/strong> <\/strong>\u09af\u09be\u09af\u09bc<\/strong>\u2014<\/strong><\/p>\n\n\n\n

i. \u09ea\u09eb\u09e6<\/sup> <\/sup> \u0995\u09cb\u09a3<\/p>\n\n\n\n

ii. \u09e7\u09eb\u09eb\u09e6<\/sup> \u0995\u09cb\u09a3
iii. \u09ac\u09c3\u09a4\u09cd\u09a4<\/p>\n\n\n\n

\u09a8\u09bf\u099a\u09c7\u09b0 \u0995\u09cb\u09a3\u099f\u09bf \u09b8\u09a0\u09bf\u0995?<\/p>\n\n\n\n

(\u0995) i \u0993 ii (\u0996) i \u0993 iii (\u0997) ii \u0993 iii  (\u0998) i, ii \u0993 iii
\u0989\u09a4\u09cd\u09a4\u09b0\u0983 \u0995<\/p>\n\n\n\n

\u09e7\u09e6<\/strong>. <\/strong>\u09b0\u09c1\u09b2\u09be\u09b0\u09c7\u09b0<\/strong> <\/strong>\u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af\u09c7<\/strong> 8 <\/strong>\u09b8\u09c7\u09ae\u09bf<\/strong> <\/strong>\u09a6\u09c8\u09b0\u09cd\u0998\u09c7\u09b0<\/strong> <\/strong>\u098f\u0995\u099f\u09bf<\/strong> <\/strong>\u09b0\u09c7\u0996\u09be\u0982\u09b6<\/strong> <\/strong>\u0986\u0981\u0995\u0964<\/strong> <\/strong>\u098f\u09ac\u09be\u09b0<\/strong> <\/strong>\u09b0\u09c1\u09b2\u09be\u09b0<\/strong> <\/strong>\u0993<\/strong> <\/strong>\u0995\u09ae\u09cd\u09aa\u09be\u09b8\u09c7\u09b0<\/strong> <\/strong>\u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af\u09c7<\/strong> <\/strong>\u098f\u0995\u0987<\/strong> <\/strong>\u09b0\u09c7\u0996\u09be\u0982\u09b6\u09c7\u09b0<\/strong> <\/strong>\u09b8\u09ae\u09be\u09a8<\/strong> <\/strong>\u098f\u0995\u099f\u09bf<\/strong> <\/strong>\u09b0\u09c7\u0996\u09be\u0982\u09b6<\/strong> <\/strong>\u0986\u0981\u0995\u0964<\/strong><\/strong><\/p>\n\n\n\n

\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n

\u2022                                   \u2022<\/s><\/p>\n\n\n\n

A             8 \u09b8\u09c7\u09ae\u09bf            B<\/p>\n\n\n\n

\u0995\u09be\u0997\u099c\u09c7\u09b0 \u0989\u09aa\u09b0 \u09b0\u09cb\u09b2\u09be\u09b0 \u09ac\u09b8\u09bf\u09af\u09bc\u09c7 \u09a0\u09bf\u0995 \u09b8\u09cb\u099c\u09be\u09b8\u09cb\u099c\u09bf \u09a6\u09c3\u09a2\u09bc\u09ad\u09be\u09ac\u09c7 \u099a\u09c7\u09aa\u09c7 \u09a7\u09b0\u09bf\u0964 \u09a4\u09be\u09b0\u09aa\u09b0 \u09aa\u09c7\u09a8\u09cd\u09b8\u09bf\u09b2\u09c7\u09b0 \u09b8\u09b0\u09c1 \u09ae\u09be\u09a5\u09be \u09b8\u09c7\u09a8\u09cd\u099f\u09bf\u09ae\u09bf\u099f\u09be\u09b0 \u09b8\u09cd\u0995\u09c7\u09b2\u09c7\u09b0 0 \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6\u09bf\u09a4 \u09a6\u09be\u0997 \u09ac\u09b0\u09be\u09ac\u09b0 \u09ac\u09b8\u09be\u0987 \u098f\u09ac\u0982 8 \u09b8\u09c7\u09ae\u09bf \u09aa\u09b0\u09cd\u09af\u09a8\u09cd\u09a4 \u099f\u09c7\u09a8\u09c7 \u09a8\u09c7\u0987\u0964 \u09a4\u09be\u09b9\u09b2\u09c7 \u09af\u09c7 \u09b0\u09c7\u0996\u09be\u0982\u09b6\u099f\u09bf \u0986\u0981\u0995\u09be \u09b9\u09b2\u09cb \u09a4\u09be\u09b0 \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af AB=8 \u09b8\u09c7\u09ae\u09bf\u0964<\/p>\n\n\n\n

AB \u09b0\u09c7\u0996\u09be\u0982\u09b6\u09c7\u09b0 \u09b8\u09ae\u09be\u09a8 \u09b0\u09c7\u0996\u09be\u0982\u09b6 \u0985\u0999\u09cd\u0995\u09a8\u0983<\/p>\n\n\n\n

\u2022<\/s>                             )     <\/s>\u15da<\/s><\/s><\/p>\n\n\n\n

C                            D     E<\/p>\n\n\n\n

\u0985\u0999\u09cd\u0995\u09a8\u09c7\u09b0 \u09a7\u09be\u09aa\u0983<\/strong><\/p>\n\n\n\n

\u09e7. CE \u098f\u0995\u099f\u09bf \u09b0\u09b6\u09cd\u09ae\u09bf \u09a8\u09bf\u0987\u0964<\/p>\n\n\n\n

\u09e8. C \u0995\u09c7 \u0995\u09c7\u09a8\u09cd\u09a6\u09cd\u09b0 \u0995\u09b0\u09c7 AB \u098f\u09b0 \u09b8\u09ae\u09be\u09a8 \u09ac\u09cd\u09af\u09be\u09b8\u09be\u09b0\u09cd\u0998\u09cd\u09af \u09a8\u09bf\u09af\u09bc\u09c7 \u09aa\u09c7\u09a8\u09cd\u09b8\u09bf\u09b2 \u0995\u09ae\u09cd\u09aa\u09be\u09b8\u09c7\u09b0 \u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af\u09c7 \u098f\u0995\u099f\u09bf \u09ac\u09c3\u09a4\u09cd\u09a4\u099a\u09be\u09aa \u0986\u0981\u0995\u09bf\u0964
\u09e9. \u09ac\u09c3\u09a4\u09cd\u09a4\u099a\u09be\u09aa\u099f\u09bf CE \u0995\u09c7 D \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u099b\u09c7\u09a6 \u0995\u09b0\u09c7\u0964 \u09a4\u09be\u09b9\u09b2\u09c7 CD \u09b0\u09c7\u0996\u09be\u0982\u09b6\u0987 AB \u09b0\u09c7\u0996\u09be\u0982\u09b6\u09c7\u09b0 \u09b8\u09ae\u09be\u09a8 \u09b9\u09ac\u09c7\u0964<\/p>\n\n\n\n

\u09e7\u09e7<\/strong>. <\/strong>\u09b0\u09c1\u09b2\u09be\u09b0\u09c7\u09b0<\/strong> <\/strong>\u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af\u09c7<\/strong> 6 <\/strong>\u09b8\u09c7\u09ae\u09bf<\/strong> <\/strong>\u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af\u09c7\u09b0<\/strong> <\/strong>\u098f\u0995\u099f\u09bf<\/strong> <\/strong>\u09b0\u09c7\u0996\u09be\u0982\u09b6<\/strong> <\/strong>\u0986\u0981\u0995\u0964<\/strong> <\/strong>\u09b0\u09c1\u09b2\u09be\u09b0<\/strong> <\/strong>\u0993<\/strong> <\/strong>\u0995\u09ae\u09cd\u09aa\u09be\u09b8\u09c7\u09b0<\/strong> <\/strong>\u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af\u09c7<\/strong> <\/strong>\u098f\u0987<\/strong> <\/strong>\u09b0\u09c7\u0996\u09be\u0982\u09b6\u0995\u09c7<\/strong> <\/strong>\u09b8\u09ae\u09a6\u09cd\u09ac\u09bf\u0996\u09a8\u09cd\u09a1\u09bf\u09a4<\/strong> <\/strong>\u0995\u09b0\u0964<\/strong> <\/strong>\u09a6\u09cd\u09ac\u09bf\u0996\u09a8\u09cd\u09a1\u09bf\u09a4<\/strong> <\/strong>\u09b0\u09c7\u0996\u09be\u0982\u09b6<\/strong> <\/strong>\u09a6\u09c1\u0987\u099f\u09bf<\/strong> <\/strong>\u09ae\u09c7\u09aa\u09c7<\/strong> <\/strong>\u09a6\u09c7\u0996<\/strong> <\/strong>\u09a4\u09be\u09b0\u09be<\/strong> <\/strong>\u09b8\u09ae\u09be\u09a8<\/strong> <\/strong>\u09b9\u09af\u09bc\u09c7\u099b\u09c7<\/strong> <\/strong>\u0995\u09bf<\/strong> <\/strong>\u09a8\u09be\u0964<\/strong><\/strong><\/p>\n\n\n\n

\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n

\"\"<\/a><\/figure>\n\n\n\n

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\"\"<\/figure>\n\n\n\n

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\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

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\u0985\u0999\u09cd\u0995\u09a8\u09c7\u09b0 \u09a7\u09be\u09aa\u0983<\/strong><\/p>\n\n\n\n

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\u09e7\u09ee<\/strong>. <\/strong>\u09aa\u09be\u09b6\u09c7\u09b0<\/strong> <\/strong>\u099a\u09bf\u09a4\u09cd\u09b0\u09c7<\/strong>,<\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

(<\/strong>\u0995<\/strong>) <\/strong>\u2220<\/strong>ABC <\/strong>\u098f\u09b0<\/strong> <\/strong>\u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u0995<\/strong> <\/strong>\u0995\u09cb\u09a3<\/strong> <\/strong>\u0995\u09cb\u09a3\u099f\u09bf<\/strong>?<\/strong><\/p>\n\n\n\n

(<\/strong>\u0996<\/strong>) <\/strong>\u2220<\/strong>ACB <\/strong>\u098f\u09b0<\/strong> <\/strong>\u09ae\u09be\u09a8<\/strong> <\/strong>\u0995\u09a4<\/strong> <\/strong>\u098f\u09ac\u0982<\/strong> <\/strong>\u0995\u09c7\u09a8<\/strong>?
<\/strong>(<\/strong>\u0997<\/strong>) <\/strong>\u09aa\u09cd\u09b0\u09ae\u09be\u09a8<\/strong> <\/strong>\u0995\u09b0<\/strong> <\/strong>\u09af\u09c7<\/strong>, <\/strong>\u2220<\/strong>DCE+<\/strong>\u2220<\/strong>ECB=1800<\/sup>.<\/strong><\/p>\n\n\n\n

\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n

(\u0995) \u099a\u09bf\u09a4\u09cd\u09b0\u09c7, \u2220ABC \u098f\u09b0 \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u0995 \u0995\u09cb\u09a3 \u2220CBF<\/p>\n\n\n\n

(\u0996) \u099a\u09bf\u09a4\u09cd\u09b0\u09c7, \u2220ACB \u098f\u09b0 \u09ae\u09be\u09a8 500<\/sup> \u0995\u09be\u09b0\u09a3, \u2220DCE \u098f\u09b0 \u09ac\u09bf\u09aa\u09cd\u09b0\u09a4\u09c0\u09aa \u2220ACB \u098f\u09ac\u0982 \u09ac\u09bf\u09aa\u09cd\u09b0\u09a4\u09c0\u09aa \u0995\u09cb\u09a3\u09a6\u09cd\u09ac\u09af\u09bc \u09aa\u09b0\u09b8\u09cd\u09aa\u09b0 \u09b8\u09ae\u09be\u09a8\u0964<\/p>\n\n\n\n

(\u0997) \u09aa\u09cd\u09b0\u09ae\u09be\u09a8 \u0995\u09b0 \u09af\u09c7, \u2220DCE+\u2220ECB=1800<\/sup>.<\/p>\n\n\n\n

\u09aa\u09cd\u09b0\u09ae\u09be\u09a8\u0983 \u09a6\u09c7\u0993\u09af\u09bc\u09be \u0986\u099b\u09c7, \u2220DCE=500
<\/sup>\u09af\u09c7\u09b9\u09c7\u09a4\u09c1, \u2220DCE \u098f\u09b0 \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u0995 \u0995\u09cb\u09a3 \u2220ECB
\u2234\u2220ECB=1800<\/sup>-500<\/sup>=1300
<\/sup>\u2220DCE+\u2220ECB=500<\/sup>+1300<\/sup>=1800<\/sup> (\u09aa\u09cd\u09b0\u09ae\u09be\u09a3\u09bf\u09a4)<\/p>\n\n\n\n

\u09e7\u09ef<\/strong>. <\/strong>\u09aa\u09be\u09b6\u09c7\u09b0<\/strong> <\/strong>\u099a\u09bf\u09a4\u09cd\u09b0\u09c7<\/strong>,<\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

(<\/strong>\u0995<\/strong>) <\/strong>\u2220<\/strong>AOB <\/strong>\u098f\u09b0<\/strong> <\/strong>\u09ac\u09bf\u09aa\u09cd\u09b0\u09a4\u09c0\u09aa<\/strong> <\/strong>\u0995\u09cb\u09a3<\/strong> <\/strong>\u0995\u09cb\u09a3\u099f\u09bf<\/strong>?<\/strong><\/p>\n\n\n\n

(<\/strong>\u0996<\/strong>) <\/strong>\u2220<\/strong>AOB <\/strong>\u0995\u09c7<\/strong> <\/strong>\u09b8\u09ae\u09a6\u09cd\u09ac\u09bf\u0996\u09a8\u09cd\u09a1\u09bf\u09a4<\/strong> <\/strong>\u0995\u09b0\u09c7<\/strong> <\/strong>\u09b8\u09a8\u09cd\u09a8\u09bf\u09b9\u09bf\u09a4<\/strong> <\/strong>\u0995\u09cb\u09a3<\/strong> <\/strong>\u09a6\u09c1\u0987\u099f\u09bf\u09b0<\/strong> <\/strong>\u09b8\u09be\u09a7\u09be\u09b0\u09a3<\/strong> <\/strong>\u09ac\u09be\u09b9\u09c1<\/strong> <\/strong>\u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6<\/strong> <\/strong>\u0995\u09b0\u0964
<\/strong>(<\/strong>\u0997<\/strong>) <\/strong>\u09aa\u09cd\u09b0\u09ae\u09be\u09a8<\/strong> <\/strong>\u0995\u09b0<\/strong> <\/strong>\u09af\u09c7<\/strong>, <\/strong>\u2220<\/strong>AOB <\/strong>\u098f\u09ac\u0982<\/strong> <\/strong>\u2220<\/strong>COD <\/strong>\u098f\u09b0<\/strong> <\/strong>\u09b8\u09ae\u09a6\u09cd\u09ac\u09bf\u0996\u09a8\u09cd\u09a1\u0995<\/strong> <\/strong>\u098f\u0995\u0987<\/strong> <\/strong>\u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09af\u09bc<\/strong> <\/strong>\u0985\u09ac\u09b8\u09cd\u09a5\u09bf\u09a4\u0964<\/strong><\/p>\n\n\n\n

\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n

(\u0995)\u2220AOB \u098f\u09b0 \u09ac\u09bf\u09aa\u09cd\u09b0\u09a4\u09c0\u09aa \u0995\u09cb\u09a3 \u2220COD<\/p>\n\n\n\n

(\u0996) \u2220AOB \u0995\u09c7 \u09b8\u09ae\u09a6\u09cd\u09ac\u09bf\u0996\u09a8\u09cd\u09a1\u09bf\u09a4 \u0995\u09b0\u09c7 \u09b8\u09a8\u09cd\u09a8\u09bf\u09b9\u09bf\u09a4 \u0995\u09cb\u09a3 \u09a6\u09c1\u0987\u099f\u09bf\u09b0 \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u09ac\u09be\u09b9\u09c1 \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6 \u0995\u09b0\u09a4\u09c7 \u09b9\u09ac\u09c7\u0964<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u0985\u0999\u09cd\u0995\u09a8\u09c7\u09b0 \u09ac\u09bf\u09ac\u09b0\u09a3\u0983<\/strong><\/p>\n\n\n\n

\u2220AOB \u098f\u09b0 \u09b6\u09c0\u09b0\u09cd\u09b7\u09ac\u09bf\u09a8\u09cd\u09a6\u09c1  O \u0995\u09c7 \u0995\u09c7\u09a8\u09cd\u09a6\u09cd\u09b0 \u0995\u09b0\u09c7 \u09af\u09c7\u0995\u09cb\u09a8\u09cb \u09ac\u09cd\u09af\u09be\u09b8\u09be\u09b0\u09cd\u09a7 \u09a8\u09bf\u09af\u09bc\u09c7 \u098f\u0995\u099f\u09bf \u09ac\u09c3\u09a4\u09cd\u09a4\u099a\u09be\u09aa \u0986\u0981\u0995\u09bf \u09af\u09be OA \u098f\u09ac\u0982 OB \u0995\u09c7 \u09af\u09a5\u09be\u0995\u09cd\u09b0\u09ae\u09c7 P \u0993 Q \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u099b\u09c7\u09a6 \u0995\u09b0\u09c7\u0964 \u098f\u0996\u09a8, P \u0993 Q \u0995\u09c7 \u0995\u09c7\u09a8\u09cd\u09a6\u09cd\u09b0 \u0995\u09b0\u09c7 PQ \u098f\u09b0 \u09b8\u09ae\u09be\u09a8 \u09ac\u09be \u0985\u09b0\u09cd\u09a7\u09c7\u0995\u09c7\u09b0 \u09ac\u09c7\u09b6\u09bf \u09ac\u09cd\u09af\u09be\u09b8\u09be\u09b0\u09cd\u09a7 \u09a8\u09bf\u09af\u09bc\u09c7 \u09a6\u09c1\u099f\u09bf \u09ac\u09c3\u09a4\u09cd\u09a4\u099a\u09be\u09aa \u0986\u0981\u0995\u09bf \u09af\u09be\u09b0\u09be \u09aa\u09b0\u09b8\u09cd\u09aa\u09b0 E \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u099b\u09c7\u09a6 \u0995\u09b0\u09c7 O, E \u09af\u09cb\u0997 \u0995\u09b0\u09c7 \u09ac\u09b0\u09cd\u09a7\u09bf\u09a4 \u0995\u09b0\u09bf\u0964<\/p>\n\n\n\n

\u09a4\u09be\u09b9\u09b2\u09c7 OE \u09b0\u09b6\u09cd\u09ae\u09bf \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u2220AOB \u09b8\u09ae\u09a6\u09cd\u09ac\u09bf\u0996\u09a8\u09cd\u09a1\u09bf\u09a4 \u09b9\u09af\u09bc\u09c7\u099b\u09c7\u0964
\u09a4\u09be\u09b9\u09b2\u09c7, \u2220AOE \u098f\u09ac\u0982 \u2220BOE \u09b8\u09a8\u09cd\u09a8\u09bf\u09b9\u09bf\u09a4 \u0995\u09cb\u09a3\u09a6\u09cd\u09ac\u09af\u09bc\u09c7\u09b0 OE \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u09ac\u09be\u09b9\u09c1\u0964<\/p>\n\n\n\n

 (\u0997)<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf, \u2220AOB \u098f\u09b0 \u09b8\u09ae\u09a6\u09cd\u09ac\u09bf\u0996\u09a8\u09cd\u09a1\u0995 OE \u098f\u09ac\u0982 \u2220AOC \u098f\u09b0 \u09b8\u09ae\u09a6\u09cd\u09ac\u09bf\u0996\u09a3\u09cd\u09a1\u0995 OF\u0964 \u09aa\u09cd\u09b0\u09ae\u09be\u09a8 \u0995\u09b0\u09a4\u09c7 \u09b9\u09ac\u09c7 \u09af\u09c7, OE \u0993 OF \u098f\u0995\u0987 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09af\u09bc \u0985\u09ac\u09b8\u09cd\u09a5\u09bf\u09a4\u0964<\/p>\n\n\n\n

\u09aa\u09cd\u09b0\u09ae\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n

AC \u09b0\u09c7\u0996\u09be BD \u09b0\u09c7\u0996\u09be\u09b0 \u09b8\u09be\u09a5\u09c7 O \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u09ae\u09bf\u09b2\u09bf\u09a4 \u09b9\u09af\u09bc\u09c7\u099b\u09c7\u0964
\u2234\u2220COD+\u2220COD=\u09a6\u09c1\u0987 \u09b8\u09ae\u0995\u09cb\u09a3\u0964
\u0986\u09ac\u09be\u09b0,
\u2220COB+\u2220AOB=\u09a6\u09c1\u0987 \u09b8\u09ae\u0995\u09cb\u09a3\u0964
\u2234\u2220COD+\u2220COD=\u2220COD+\u2220AOB
\u2234\u2220COD=\u2220AOB [\u0989\u09ad\u09af\u09bc \u09aa\u0995\u09cd\u09b7 \u09a5\u09c7\u0995\u09c7 \u2220COB \u09ac\u09be\u09a6 \u09a6\u09bf\u09af\u09bc\u09c7]
\u22341\/2\u2220COD=1\/2\u2220AOB
\u2234\u2220DOF=\u2220BOE [OE \u098f\u09ac\u0982 OF \u09af\u09a5\u09be\u0995\u09cd\u09b0\u09ae\u09c7 \u2220AOB  \u0993 \u2220COD \u098f\u09b0 \u09b8\u09ae\u09a6\u09cd\u09ac\u09bf\u0996\u09a3\u09cd\u09a1\u0995]
\u098f\u0996\u09a8, \u2220BOC+\u2220COF+\u2220DOF=\u09a6\u09c1\u0987 \u09b8\u09ae\u0995\u09cb\u09a3
\u09ac\u09be, \u2220BOE+\u2220BOC+\u2220COF=\u09a6\u09c1\u0987 \u09b8\u09ae\u0995\u09cb\u09a3\u0964
\u2234\u2220EOF=\u09a6\u09c1\u0987 \u09b8\u09ae\u0995\u09cb\u09a3=\u098f\u0995 \u09b8\u09b0\u09b2\u0995\u09cb\u09a3\u0964
\u2234OE \u098f\u09ac\u0982 OF \u098f\u0995\u0987 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09af\u09bc \u0985\u09ac\u09b8\u09cd\u09a5\u09bf\u09a4\u0964
\u09b8\u09c1\u09a4\u09b0\u09be\u0982, \u2220AOB \u098f\u09ac\u0982 \u2220COD \u098f\u09b0 \u09b8\u09ae\u09a6\u09cd\u09ac\u09bf\u0996\u09a8\u09cd\u09a1\u0995 OE \u098f\u09ac\u0982 OF \u098f\u0995\u0987 \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be\u09af\u09bc \u0985\u09ac\u09b8\u09cd\u09a5\u09bf\u09a4\u0964 (\u09aa\u09cd\u09b0\u09ae\u09be\u09a3\u09bf\u09a4)<\/p>\n\n\n\n

\u09e8\u09e6<\/strong>. <\/strong>\u099a\u09bf\u09a4\u09cd\u09b0\u09c7<\/strong>, <\/strong>\u2220<\/strong>ABC=900<\/sup><\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

(<\/strong>\u0995<\/strong>) <\/strong>\u09a4\u09cd\u09b0\u09bf\u09ad\u09c1\u099c\u09c7\u09b0<\/strong> <\/strong>\u09a4\u09bf\u09a8\u099f\u09bf<\/strong> <\/strong>\u0995\u09cb\u09a3\u09c7\u09b0<\/strong> <\/strong>\u09b8\u09ae\u09b7\u09cd\u099f\u09bf\u0995\u09c7<\/strong> x <\/strong>\u098f\u09b0<\/strong> <\/strong>\u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09c7<\/strong> <\/strong>\u09aa\u09cd\u09b0\u0995\u09be\u09b6<\/strong> <\/strong>\u0995\u09b0\u0964<\/strong><\/strong><\/p>\n\n\n\n

(<\/strong>\u0996<\/strong>) <\/strong>\u2220<\/strong>ABC  <\/strong>\u0995\u09c7<\/strong> <\/strong>\u09b8\u09ae\u09a6\u09cd\u09ac\u09bf\u0996\u09a8\u09cd\u09a1\u09bf\u09a4<\/strong> <\/strong>\u0995\u09b0<\/strong> <\/strong>\u098f\u09ac\u0982<\/strong> <\/strong>\u0985\u0999\u09cd\u0995\u09a8\u09c7\u09b0<\/strong> <\/strong>\u09ac\u09bf\u09ac\u09b0\u09a8<\/strong> <\/strong>\u09a6\u09be\u0993\u0964
<\/strong>(<\/strong>\u0997<\/strong>) <\/strong>x <\/strong>\u0995\u09cb\u09a3\u09c7\u09b0<\/strong> <\/strong>\u09b8\u09ae\u09be\u09a8<\/strong> <\/strong>\u0995\u09b0\u09c7<\/strong> <\/strong>\u098f\u0995\u099f\u09bf<\/strong> <\/strong>\u0995\u09cb\u09a3<\/strong> <\/strong>\u0986\u0981\u0995<\/strong> <\/strong>\u098f\u09ac\u0982<\/strong> <\/strong>\u09ac\u09bf\u09ac\u09b0\u09a3<\/strong> <\/strong>\u09a6\u09be\u0993\u0964<\/strong><\/p>\n\n\n\n

\u09b8\u09ae\u09be\u09a7\u09be\u09a8\u0983<\/strong><\/p>\n\n\n\n

(\u0995) \u25b3ABC \u098f\u09b0 \u09a4\u09bf\u09a8\u099f\u09bf \u0995\u09cb\u09a3 \u2220A, \u2220B \u0993 \u2220C\u0964 \u09a4\u09cd\u09b0\u09bf\u09ad\u09c1\u099c\u09c7\u09b0 \u09a4\u09bf\u09a8 \u0995\u09cb\u09a3\u0995\u09c7 x \u098f\u09b0 \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09c7 \u09aa\u09cd\u09b0\u0995\u09be\u09b6 \u0995\u09b0\u09b2\u09c7<\/p>\n\n\n\n

\u2220A=x, \u2220B=2x, \u2220C=x
\u2234\u0995\u09cb\u09a3 \u09a4\u09bf\u09a8\u099f\u09bf\u09b0 \u09b8\u09ae\u09b7\u09cd\u099f\u09bf,
\u2220A+\u2220B+\u2220C=1800
<\/sup>\u09ac\u09be, x+2x+x=1800
<\/sup>\u09ac\u09be, 4x=1800<\/sup> ( x \u098f\u09b0 \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09c7 \u09aa\u09cd\u09b0\u0995\u09be\u09b6\u09bf\u09a4 \u09b9\u09b2\u09cb)<\/p>\n\n\n\n

(\u0996)<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u0985\u0999\u09cd\u0995\u09a8\u09c7\u09b0 \u09ac\u09bf\u09ac\u09b0\u09a3\u0983<\/strong><\/p>\n\n\n\n

(\u09e7) BC \u09b0\u09c7\u0996\u09be\u0982\u09b6\u09c7\u09b0 B \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0995\u09c7 \u0995\u09c7\u09a8\u09cd\u09a6\u09cd\u09b0 \u0995\u09b0\u09c7 \u09af\u09c7 \u0995\u09cb\u09a8\u09cb \u09ac\u09cd\u09af\u09be\u09b8\u09be\u09b0\u09cd\u09a7 \u09a8\u09bf\u09af\u09bc\u09c7 \u098f\u0995\u099f\u09bf \u09ac\u09c3\u09a4\u09cd\u09a4\u099a\u09be\u09aa \u0986\u0981\u0995\u09bf\u0964 \u09af\u09be, BC \u0995\u09c7  P \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u098f\u09ac\u0982 BA \u0995\u09c7 N \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u099b\u09c7\u09a6 \u0995\u09b0\u09c7\u0964
(\u09e8) P \u0993 N \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0995\u09c7 \u0995\u09c7\u09a8\u09cd\u09a6\u09cd\u09b0 \u0995\u09b0\u09c7 PN \u098f\u09b0 \u0985\u09b0\u09cd\u09a7\u09c7\u0995\u09c7\u09b0 \u09ac\u09c7\u09b6\u09bf \u09ac\u09cd\u09af\u09be\u09b8\u09be\u09b0\u09cd\u09a7 \u09a8\u09bf\u09af\u09bc\u09c7 \u2220ABC \u098f\u09b0 \u0985\u09ad\u09cd\u09af\u09a8\u09cd\u09a4\u09b0\u09c7 \u09a6\u09c1\u0987\u099f\u09bf \u09ac\u09c3\u09a4\u09cd\u09a4\u099a\u09be\u09aa \u0986\u0981\u0995\u09bf\u0964 \u09ac\u09c3\u09a4\u09cd\u09a4\u099a\u09be\u09aa \u09a6\u09c1\u0987\u099f\u09bf \u09aa\u09b0\u09b8\u09cd\u09aa\u09b0\u0995\u09c7 O \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u099b\u09c7\u09a6 \u0995\u09b0\u09c7\u0964
(\u09e9) B, O \u09af\u09cb\u0997 \u0995\u09b0\u09bf\u0964 \u09a4\u09be\u09b9\u09b2\u09c7 BO \u09b0\u09b6\u09cd\u09ae\u09bf \u2220ABC \u0995\u09c7 \u09b8\u09ae\u09a6\u09cd\u09ac\u09bf\u0996\u09a8\u09cd\u09a1\u09bf\u09a4 \u0995\u09b0\u09c7\u0964 \u09b8\u09c1\u09a4\u09b0\u09be\u0982 \u2220CBO=450<\/sup> \u0995\u09cb\u09a3\u0987 \u0989\u09a6\u09cd\u09a6\u09bf\u09b7\u09cd\u099f \u0995\u09cb\u09a3\u0964
(\u0997) \u0995 \u09a5\u09c7\u0995\u09c7 \u09aa\u09be\u0987,
4x=1800
<\/sup>\u09ac\u09be, x=1800<\/sup>\/4
\u09ac\u09be, x=450
<\/sup>450<\/sup> \u0995\u09cb\u09a3 \u0985\u0999\u09cd\u0995\u09a8\u0983
\u09e7\u09ec \u09a8\u0982 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09c7\u09b0 \u09b8\u09ae\u09be\u09a7\u09be\u09a8 \u09a6\u09c7\u0996\u0964<\/p>\n","protected":false},"excerpt":{"rendered":"

\u0985\u09a7\u09cd\u09af\u09be\u09df \u09ed\u09ae\u0983 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0\u09bf\u0995 \u099c\u09cd\u09af\u09be\u09ae\u09bf\u09a4\u09bf | \u09ec\u09b7\u09cd\u09a0 \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u0997\u09a3\u09bf\u09a4 \u09ac\u0987 \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09b8\u09ae\u09be\u09a7\u09be\u09a8 | Class Six (06) Math Book Solution | Chapter 07 : Practical Geometry | Online Solution \u0985\u09a7\u09cd\u09af\u09be\u09df \u09ed\u09ae\u0983 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0\u09bf\u0995 \u099c\u09cd\u09af\u09be\u09ae\u09bf\u09a4\u09bf | \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u09c0 \u09ed :  \u09b0\u09c7\u0996\u09be,\u09b2\u09ae\u09cd\u09ac \u0993 \u0995\u09cb\u09a3 \u0985\u0999\u09cd\u0995\u09a8 \u0985\u09a7\u09cd\u09af\u09be\u09df \u09ed\u09ae\u0983 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0\u09bf\u0995 \u099c\u09cd\u09af\u09be\u09ae\u09bf\u09a4\u09bf | \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u09c0 \u09ed \u098f\u09b0 \u09b8\u0995\u09b2 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8 \u0993 \u0989\u09a4\u09cd\u09a4\u09b0 \u098f\u0996\u09be\u09a8\u09c7 \u09b0\u09df\u09c7\u099b\u09c7\u0964 \u09ec\u09b7\u09cd\u09a0 \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u0997\u09a3\u09bf\u09a4 \u09ac\u0987 […]<\/p>\n","protected":false},"author":1,"featured_media":3760,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[28],"tags":[29,30],"class_list":["post-4252","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-class-six-06","tag-class-6","tag-class-six"],"yoast_head":"\n\u0985\u09a7\u09cd\u09af\u09be\u09df \u09ed\u09ae\u0983\u00a0\u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0\u09bf\u0995 \u099c\u09cd\u09af\u09be\u09ae\u09bf\u09a4\u09bf | \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u09c0 \u09ed | \u09b7\u09b7\u09cd\u09a0 \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf - Study Zone BD<\/title>\n<meta name=\"description\" content=\"\u09b7\u09b7\u09cd\u09a0 \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u0997\u09a3\u09bf\u09a4 \u09ac\u0987 \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09b8\u09ae\u09be\u09a7\u09be\u09a8 | Class Six (06) Math Book.. Solution ..Chapter 07 : Practical Geometry all solution \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u09c0\u09b0 \u09b8\u09ae\u09be\u09a7\u09be\u09a8.....\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.studyzonebd.com\/math\/class-six-chapter-07-lesson-7\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0985\u09a7\u09cd\u09af\u09be\u09df \u09ed\u09ae\u0983\u00a0\u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0\u09bf\u0995 \u099c\u09cd\u09af\u09be\u09ae\u09bf\u09a4\u09bf | \u0985\u09a8\u09c1\u09b6\u09c0\u09b2\u09a8\u09c0 \u09ed | \u09b7\u09b7\u09cd\u09a0 \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf - Study Zone BD\" \/>\n<meta property=\"og:description\" content=\"\u09b7\u09b7\u09cd\u09a0 \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u0997\u09a3\u09bf\u09a4 \u09ac\u0987 \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09b8\u09ae\u09be\u09a7\u09be\u09a8 | Class Six (06) Math Book.. 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