Verified Answer :

kgebon80

A=pi*r^2  sqrt64=8 in radius

apologiabiology

the area of anything cannot be any amount of square inches 'long'
long is 1 dimentional while area is 2 dimentional


anyway
area=(pi)radius^2
64pi=area
therfor
64pi=(pi)radius^2
divide both sides by pi
64=radius^2
sqrt both sides
8=radius
8 inches

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