The circle has an area of 256π what is the radius and diameter?

## if the area of a cirle is 804 what is the radius

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# 1 Answer

A=pi*r^2 (formula for the area of a circle)

256*pi=pi*r^2

divide both sides by pi

256=r^2

take the square root of both sides

r=16, the radius, and the diameter d=2*16=32