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What is the exact area of a circle with a diameter of 18 feet?

A. 36π square feet

B. 81π square feet

C. 324π square feet

D. 1296π square feet

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  1. 6 June, 03:35
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    Area = π*r^2

    = π * 9^2

    =81 π square feet. - B is your answer
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