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15 October, 23:36

A penny is 19 millimeters wide. What is the area of the face of the coin? Round to the nearest hundredth. (Use 3.14 for pi.)

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  1. 16 October, 01:18
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    To find the area of the penny, you will use the formula for finding the area of circle.

    A = p x r^2

    3.14 x 9.5^2

    A = 283.39

    The area of the face of the coin is 283.39 square millimeters.
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