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State, Whether the Pairs of Triangles Given in the Following Figures Are Congruent Or Not: - Mathematics

Sum

State, whether the pairs of triangles given in the following figures are congruent or not:

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Solution

In the first A, third angle
= 180° – (40°+ 30°)
= 180° – 70°
= 110°
Now in these two triangles the sides and included angle of the one are equal to the corresponding sides and included angle.
Hence these are congruent triangles
(S.A.S. axiom)

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APPEARS IN

Selina Concise Mathematics Class 7 ICSE
Chapter 19 Congruency: Congruent Triangles
Exercise 19 | Q 1.2
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