Hard Math Class 9 Level 2

An exterior angle of a triangle is 150° and the two interior opposite angles are in the ratio 3:2. What is the larger interior opposite angle?

त्रिभुज का बाह्य कोण 150° है और दो अंतः विपरीत कोणों का अनुपात 3:2 है। बड़ा अंतः विपरीत कोण कितना है?

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Correct Answer

C. 90° / 90°

Explanation

The two interior opposite angles sum to 150°. Five parts equal 150° so the larger angle is 3 × 30° = 90°.

दो अंतः विपरीत कोणों का योग 150° है। 5 भाग 150° हैं इसलिए बड़ा कोण 3 × 30° = 90°।

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