Hard Math Class 9 Level 1

In a parallelogram one angle is 36° less than its adjacent angle. What is the smaller angle?

समांतर चतुर्भुज में एक कोण उसके आसन्न कोण से 36° कम है। छोटा कोण कितना होगा?

A 62° / 62° B 72° / 72° C 82° / 82° D 92° / 92°
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Correct Answer

B. 72° / 72°

Explanation

Adjacent angles sum to 180°. From x + x + 36 = 180 the smaller angle is 72°.

आसन्न कोणों का योग 180° है। x + x + 36 = 180 से छोटा कोण 72° है।

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