Chapter 7 A Tale of Three Intersecting Lines - Part 2

An isosceles triangle has base angles of 71° each. Find the vertex angle.

Type: MCQ • Marks: 1
An isosceles triangle has base angles of 71° each. Find the vertex angle.
Options
A. 38°
B. 71°
C. 48°
D. 109°
Explanation
Vertex angle = 180° − 71° − 71° = 38°.
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Class 7th Ganita Prakash 1

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