The area of circle B is 121 times greater than the area of circle A. The radius of circle B is 44. What is the radius of circle A?

asked Jan 23, 2018 14.6k views

5 votes

by Bfx

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4 votes

u=units
A=πr²
=π(44)²
=6082.12u²
6082.12/121= 50.27
A=πr²
50.27=πr²
r²=50.27/π
r=√16
r=4u

QuarticCat answered Jan 28, 2018

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