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OpenStudy (anonymous):
Find the exact circumference of a circle with an area equal to 36 sq. in.
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OpenStudy (nurali):
A = pi r^2 sqrt(A/pi) = r C = 2r pi C = 2sqrt(A/pi) * pi
OpenStudy (anonymous):
is the answer 12 times pie then
OpenStudy (anonymous):
alright thanks a lot
OpenStudy (nurali):
Anytime.
OpenStudy (nurali):
Area=36 pi*r*r=36 r*r=11.14 r=3.38 C=2piR 2*3.14*3.38=21.26sq in.
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