Hard Math Class 9 Level 3

The angles of a triangle are x + 20°, 2x + 15° and 3x - 35°. What is the correct largest angle?

एक त्रिभुज के कोण x + 20°, 2x + 15° और 3x - 35° हैं। सही सबसे बड़ा कोण क्या है?

Show answer and explanation

Correct Answer

C. 75° / 75°

Explanation

From x + 20 + 2x + 15 + 3x - 35 = 180 we get x = 30 and angles 50° 75° 55°.

समीकरण x + 20 + 2x + 15 + 3x - 35 = 180 से x = 30 और कोण 50° 75° 55° हैं।

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