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8 March, 18:33

rachel is frosting the top of two cakes and wants to know which cake will require more frosting. one cake is round with a diameter of 8 inches. the other cake a square with the length of 9 inches. the top of which cake has a larger area? how much larger is it?

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  1. 8 March, 18:48
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    The square cake is has a larger area by about 40.73 square inches

    Step-by-step explanation:

    Find the area of the top of each cake.

    The square cake has an area of 81 sq inches, (length x width = Area, the

    length is 9)

    The round cake has an area of 16π, which is about 50.27 square inches

    (A = πr², here r is 4, radius is half the diameter)

    81 - 16π = 81 - 50.27 = 40.73 square inches
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