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25 September, 12:07

Find the area of the regular decagon if the apothem is 2.8 ft. and a side is 1.8 ft. Round to the nearest whole number.

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  1. 25 September, 15:28
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    Perimeter = 1.8 * 10 = 18

    Area = (1/2) (perimeter) (apothem)

    Area = (1/2) (18) (2.8)

    Area = 25.2
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