The radius of a small ball is around 3.79747 cm. The radius of a basketball is about 3.16 times larger. What is the ratio of the surface are

Question

The radius of a small ball is around 3.79747 cm. The radius of a basketball is about 3.16 times larger. What is the ratio of the surface areas of the small ball and a basketball? 2. What is the ratio of their volumes?

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Eirian 4 years 2021-08-06T01:06:44+00:00 1 Answers 7 views 0

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  1. ngocdiep
    0
    2021-08-06T01:08:22+00:00
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    Explanation:

    The ratio of the areas is the square of the ratio of the radii.

    A/A = 3.16² = 9.99

    The ratio of the volumes is the cube of the ratio of the radii.

    V/V = 3.16³ = 31.6

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