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OpenStudy (anonymous):
find the circumference of a circle 30m. use 3.14 for pie
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OpenStudy (anonymous):
A=pie*radius*2 30*3.14*2
OpenStudy (anonymous):
circumference = 2*pi*radius does 'a circle 30m' = radius of 30m or diameter of 30m?
OpenStudy (anonymous):
if 30m = radius, circumference = 188.4m
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