Medium Math Class 9 Level 4

If two complementary angles are in the ratio 1:4 then what is the larger angle?

यदि दो पूरक कोणों का अनुपात 1:4 है तो बड़ा कोण कितना होगा?

A) 54° / 54° B) 60° / 60° C) 72° / 72° D) 80° / 80°
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Correct Answer

C. 72° / 72°

Explanation

The 5 parts equal 90°, so one part is 18° and the larger angle is 72°.

5 भाग 90° के बराबर हैं इसलिए एक भाग 18° और बड़ा कोण 72° है।

Related Questions

Easy Math Class 10 Level 1

What is the area of a circle with radius 7 cm when π = 22/7?

7 सेमी त्रिज्या वाले वृत्त का क्षेत्रफल कितना होगा जब π = 22/7 हो?

A. 44 सेमी² / 44 cm² B. 77 सेमी² / 77 cm² C. 154 सेमी² / 154 cm² D. 308 सेमी² / 308 cm²
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