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29 February, 01:07

The diameter of a circle X is 18 cm the diameter of circle Y is 31 cm which circle has the greater area and by how much you 3.14 for pie

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  1. 29 February, 02:41
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    Area of a circle = (pi) (radius squared)

    A of Circle X = (3.14) (18cm/2) squared

    We need to divide the diameter in half to get the radius.

    A of Circle X = (3.14) (9) squared

    A of Circle X = (3.14) (81)

    A if Circle X = 254.34 cm

    A of Circle Y = (3.14) (31cm/2) squared

    We need to divide the diameter in half to get the radius.

    A of Circle Y = (3.14) (15.5) squared

    A of Circle Y = (3.14) (240.25)

    A if Circle Y = 754.39 cm

    Find the difference in Area:

    =Circle Y - Circle X

    =754.39 - 254.34

    =500.05 cm difference

    Circle Y has the greater area of 754.39. It it greater than Circle X by 500.05 cm
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