math

a 31'' diameter circle has an area of _ sq ft. ???

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  1. A = pi * r^2

    A = 3.14 * 15.5^2

    A = 3.14 * 240.25

    A = ? sq. ft.

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  2. 754.385 is this correct

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  3. That's the area in square inches.

    1 square inch = 0.00694444444 square feet

    754.385 * 0.00694444444 = 5.23878472 square feet

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