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OpenStudy (anonymous):
A circle has a diameter of 16 meters. What is the area of the circle?
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OpenStudy (anonymous):
64pi
OpenStudy (hoblos):
area = pi*r^2 r=d/2=8 then area= 64pi
OpenStudy (rulnick):
Don't forget units. Answer is 16 pi m^2, or about 50.2655 m^2.
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