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Line 19: − + + − === Concept Map === − [[File:similar_and_congruent_triangles.mm]] − − Here is the concept map of Congruency of triangle − − [[File:CONGRUENCY OF TRIANGLE.mm|Flash]] Line 98:
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Line 103: − + − − ==== Solved problems/ key questions (earlier was hints for problems). ==== + − === Assessments - question banks, formative assessment activities and summative assessment activities ===
Similar and congruent triangles (view source)
Revision as of 07:04, 30 June 2022
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=== Additional Resources ===
=== Additional Resources ===
====== [[Introduction to similar triangles|Introduction to similar triangles]] ======
====== [[Introduction to similar triangles|Introduction to similar triangles]] ======
The concept of similarity is introduced and investigated by comparing elements of two triangles.
==== Concept # 5. Tests for similarity ====
==== Concept # 5. Tests for similarity ====
=====Activities #=====
=====Activities #=====
======[[Similarity test - AA postulate]]======
======[[Similarity test - AA postulate]]======
In two triangles, if the angles are equal, then the sides opposite to the equal angles are in the same ratio and hence the two triangles are similar.
In two triangles, if the angles are equal, then the sides opposite to the equal angles are in the same ratio and hence the two triangles are similar.
=== Projects (can include math lab/ science lab/ language lab) ===
=== Projects (can include math lab/ science lab/ language lab) ===
'''''Laboratory Manuals''' - Mathematics : [https://ncert.nic.in/pdf/publication/sciencelaboratorymanuals/classIXtoX/mathematics/lelm405.pdf Click here] to refer to activity 13,15,16,17 and 18'' which explains the similarity of two Triangles.
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