NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 6: Triangles - Problems and Solutions

Question 119

Question. 119

Find the measure of ∠A in Fig. 6.36.

Answer:

∠A = 50°

Detailed Answer with Explanation:

∠B = 65°, exterior ∠C = 115° ⇒ interior ∠C = 65°. So ∠A = 180° − (65° + 65°) = 50°.