Medium Math Class 9 Level 6

If two complementary angles are in the ratio 4:5 then what is the larger angle?

यदि दो पूरक कोणों का अनुपात 4:5 है तो बड़ा कोण कितना होगा?

A 40° / 40° B 45° / 45° C 50° / 50° D 55° / 55°
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Correct Answer

C. 50° / 50°

Explanation

The 9 parts equal 90° so one part is 10° and the larger angle is 50°.

9 भाग 90° के बराबर हैं इसलिए एक भाग 10° और बड़ा कोण 50° है।

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