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