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OpenStudy (anonymous):
Find the circumference of a circle whose area is 100m^2
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OpenStudy (anonymous):
A = PI * r^2 100 = pi * r^2 r is around 5.641895835 meters C = 2 * pi * r So the circumference is around: 35.449007702 meters
OpenStudy (anonymous):
C = 2pi R and A = pi r^2, find R then substitute it in C
OpenStudy (anonymous):
off to bed now z_z
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