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State which pair of triangles in the following figure are similar. Write the similarity criterion used by you for answering the question, - Mathematics

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Question

State which pair of triangles in the following figure are similar. Write the similarity criterion used by you for answering the question, and also write the pairs of similar triangles in the symbolic form:

Sum
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Solution

In ΔABC and ΔPQR

∠A = ∠P = 60°

∠B = ∠Q = 80°

∠C = ∠R = 40°

Therefore, ΔABC ∼ ΔPQR        ...[By AAA similarity criterion]

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Chapter 6: Triangles - Exercise 6.3 [Page 138]

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NCERT Mathematics [English] Class 10
Chapter 6 Triangles
Exercise 6.3 | Q 1.1 | Page 138
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