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6 September, 22:14

A beach ball has a diameter of 18 inches. What is the approximate volume of the beach ball?

17 cm²

100 cm²

150 cm²

200 cm²

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  1. 6 September, 22:37
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    1. To solve this problem, you must aplpy the formula for calculate the volume of a sphere, which is:

    V=4/3 (πr)

    V is the volume of the sphere.

    r is the radius of the sphere.

    2. You must calculate the radiius. You have that the beach ball has a diameter of 18 inches, then:

    r=diametert/2

    r=18 inches/2

    r=9 inches

    3. When you substitute r = 9 inches into the formula, you obtain:

    V=4/3 (πr)

    V=3053.62 inches ³
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