An isosceles triangle has base angles of 70° each. Find the vertex angle.

Type: MCQ • Marks: 1

A. 40°

B. 50°

C. 70°

D. 110°

Explanation

Base angles are equal. Vertex angle = 180° − 70° − 70° = 40°.

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Class 7th Ganita Prakash 2

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