Hard Math Class 9 Level 1

A transversal cuts two parallel lines. If one co-interior angle is 40° more than the other then what is the larger angle?

दो समांतर रेखाओं को तिर्यक काटे। यदि सह-अंतः कोणों में एक दूसरे से 40° अधिक है तो बड़ा कोण कितना होगा?

A 100° / 100° B 110° / 110° C 120° / 120° D 130° / 130°
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Correct Answer

B. 110° / 110°

Explanation

Co-interior angles sum to 180°. From x + x + 40 = 180 the larger angle is 110°.

सह-अंतः कोणों का योग 180° है। x + x + 40 = 180 से बड़ा कोण 110° है।

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