Find the radius of a circle whose area is221.76cm – InterviewSolution

1.

Find the radius of a circle whose area is221.76cm

Answer» ONG>ANSWER:

Area- PIE x R x r

221.76 - 22/7 x r x r

221.76 x 7 /22 = r x r

4878.72/22 - r x r

221.76 - r x r

r - 14.891 .

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