If area of a circle measures 16/25 pi cm square, what is the circumference of the circle in terms of pi

asked Jan 16, 2019 29.3k views

2 votes

by Amru

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4 votes

A = pi*r^2

(16/25)*pi = pi*r^2

16/25 = r^2

rt(16/25) = r

r = 4/5

C = 2pi*r
C = 2pi*(4/5)
C = (8/5) pi cm

Nikita Patil answered Jan 20, 2019

7.4k points

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