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Geometry 9 Online
OpenStudy (anonymous):

Find the area of a circle with diameter 18 ft. A. 1017.36 ft B. 254.47 ft C. 28.26 ft D. 56.52 ft

OpenStudy (anonymous):

Assuming you mean 18 ft in diameter. The formula to find the Area of a circle is: A = Pi x R² where Pi is 3.1416 and R² is the radius multiplied by itself. The Radius is one-half the diameter. Using the formula and substituing the values: A = 3.1416 x (9 x 9) = 3.1416 x 81 = 254.4696 sq ft. is b

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