Medium Math Class 9 Level 7

If two complementary angles are in the ratio 3:7 then what is the larger angle?

यदि दो पूरक कोणों का अनुपात 3:7 है तो बड़ा कोण कितना होगा?

A 54° / 54° B 60° / 60° C 63° / 63° D 70° / 70°
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Correct Answer

C. 63° / 63°

Explanation

The 10 parts equal 90° so one part is 9° and the larger angle is 63°.

10 भाग 90° के बराबर हैं इसलिए एक भाग 9° और बड़ा कोण 63° है।

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