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OpenStudy (anonymous):
Find the exact area of a circle having the given circumference. 8 PI A= ? PI
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OpenStudy (anonymous):
cirumference of a cirlce is P = 2*pi*r, so solve for r which gives r=4units then area = pi*r^2 = 3.14*(4)^2 = 50.24sq.units. bamf
OpenStudy (anonymous):
but i'm not finding square units anymore aha its finding the exact area of PI
OpenStudy (anonymous):
ahh well, then it would just be 16pi
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