An exterior angle of a triangle is 100° and its interior opposite angles are in ratio 2 : 3. What is the larger interior...

Type: MCQ • Marks: 1

An exterior angle of a triangle is 100° and its interior opposite angles are in ratio 2 : 3. What is the larger interior opposite angle?

A. 60°

B. 50°

C. 70°

D. 40°

Explanation

2x + 3x = 100° => 5x = 100° => x = 20°. Larger angle = 3x = 60°.

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Class 7th Ganita Prakash 1

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