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OpenStudy (anonymous):
The circumference of a circle is 10π inches. Find its radius and area. The radius of the circle is ? inches
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OpenStudy (anonymous):
circumference = 2πr
OpenStudy (anonymous):
so 2πr = 10π, then solve for r, which is 10π/2π or 5
OpenStudy (anonymous):
area is πr^2, so it's 25π
OpenStudy (cggurumanjunath):
radius=5inches area=25*pi inches^2 @jcarl44
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