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The circumference of a circle is 20pi in. What is the area, in square inches?

Solution

The circumference of a circle is 20\pi in. What is the area, in square inches?

Solution

a re a : 100 π i n^{2}

+1

Solution steps

Given:

c i rc u m f ere n ce : 20 π in

Radius given

C i rc u m f ere n ce = 20 π : r = 10

Circle Area given

r = 10 : A = 100 π

a re a : 100 π i n^{2}

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