Question

On congruency of triangles
1. State whether the following pairs of triangles are congruent or not. Given reasons
pls give answer step by step and also this book is of (A das gupta , A banerjee)
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Answer 1

Answer:

Yes both the pairs are congruent.

Step-by-step explanation:

b) We will take out the third angle of each triangle by Angle-Sum Property

Triangle 1= 20'+130'+x=180'

=150'+x=180'

=x=30'

Triangle 2= 20'+30'+x=180'

=50'+x=180'

=x=130'

All 3 angle match.

Hence, they are congruent.

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