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Chapter 7 A Tale of Three Intersecting Lines - Part 3

An isosceles triangle has base angles of 75° each. Find the vertex angle.

Type: MCQ • Marks: 1
An isosceles triangle has base angles of 75° each. Find the vertex angle.
Options
A. 105°
B. 40°
C. 75°
D. 30°
Explanation
Vertex angle = 180° − 75° − 75° = 30°.
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Class 7th Ganita Prakash 1

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