3 years ago

A circle has an area of 256pi. What is the diameter of the circle?

2 answers:

7 0

Circle Area = PI*r^2
Circle Area = PI * 256
radius = sq root(256)
radius = 16
diameter = 32

5 0

256pi
sqroot 256 = 16
16 * 2 = 32
The diameter of the circle is 32

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