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OpenStudy (anonymous):
Find the area of a circle whose circumference is 12pi ft. A. 113.04 square feet B. 24 square feet C. 144 square feet D. 108.12 square feet
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OpenStudy (anonymous):
i did 3.14 * 12 and got 37.68 but idk what else to do
OpenStudy (anonymous):
12pi divided by 2pi = the radius = 6 ftArea = pi*62 = 113.097 square feet to 3 dp
OpenStudy (anonymous):
so B??
OpenStudy (isaiah.feynman):
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