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What is the radius of a circle whose area is 154 square inches?

+1 vote
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What is the radius of a circle whose area is 154 square inches?
posted Jul 4, 2016 by Udita

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2 Answers

+1 vote

area = πr² = 154
r² = 154/π = 49
r = 7 cm

answer Jul 4, 2016 by Smriti
correct
0 votes

Area of circle = pie * r^2
154 = 22/7 * r^2
r^2 = (154*7)/22
r^2 = 7 * 7
r = 7

Radius of circle is 7 cm

answer Jul 5, 2016 by Neha Gupta



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