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OpenStudy (anonymous):
circumference and area of a circle with a radius of 4?
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OpenStudy (coconutjj):
c = 2 x pi x r
OpenStudy (coconutjj):
c = 2 x pi x 4
OpenStudy (coconutjj):
c = 8pi
OpenStudy (coconutjj):
A = pi x r^2
OpenStudy (coconutjj):
A = pi x 4^2
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OpenStudy (coconutjj):
A = 16pi
OpenStudy (anonymous):
i typed it in and got 50.24 for my area? and 25.12 for circumference ?
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