Easy Math Class 9 Level 10

If the diameter of a circle is 42 cm then what is the radius?

वृत्त का व्यास 42 cm है तो त्रिज्या कितनी होगी?

A) 14 cm / 14 cm B) 21 cm / 21 cm C) 28 cm / 28 cm D) 42 cm / 42 cm
Show answer and explanation
Correct Answer

B. 21 cm / 21 cm

Explanation

Radius is half of diameter so 42 ÷ 2 = 21 cm.

त्रिज्या व्यास की आधी होती है इसलिए 42 ÷ 2 = 21 cm।

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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