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11 January, 11:59

The diameter of a circle is 20 feet. Using the formula A = r2, what is the area of the circle? Use 3.14 for pi.

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  1. 11 January, 12:26
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    Area = PI * radius ^ 2

    radius = 10 feet

    Area = PI * 100

    Area = 3.14 * 100

    Area = 314 square feet
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