Exams › SSC CGL (Prelims) › General

The three interior angles of a triangle are in the ratio 7 : 8 : 3. What is the measure of the largest angle?

1. 80 degrees
2. 120 degrees
3. 60 degrees
4. 100 degrees

Correct answer: 80 degrees

Solution

Sum of ratio parts = 7+8+3 = 18. Each part = 180/18 = 10 degrees. The three angles are 70, 80, and 30 degrees. The largest angle corresponds to ratio 8, giving 8 x 10 = 80 degrees.

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