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29 November, 21:38

A spherical basketball has a diameter of 18 cm.

How much air is needed to fill the basketball, in cubic centimeters?

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Answers (2)
  1. 29 November, 22:21
    0
    Use the formula 4/3 x pi x r^3 with R being 9

    You get 3053.6
  2. 30 November, 01:14
    0
    V = (4πr^3) / 3 and we are told that d=18cm, so r=9cm thus

    V = (4π9^3) / 3

    V=972π cm^3

    V≈3053.63 cm^3 (to nearest hundredth of a cubic centimeter)
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