Hard Math Class 9 Level 3

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

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

Show answer and explanation
Correct Answer

C. 70° / 70°

Explanation

The sum is 6x so x = 30°. The angles are 50° 75° and 55° so the largest is 75°.

योग 6x है इसलिए x = 30°। कोण 50° 75° और 55° हैं इसलिए सबसे बड़ा 75° है।

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