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


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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