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18 November, 13:43

The volume of a cone is 62.8 cubic inches. The height of the cone is 15 inches. What is the radius of the cone, rounded to the nearest inch? Use π = 3.14.

A 2 inches

B 4 inches

C 8 inches

D 9 inches

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Answers (1)
  1. 18 November, 13:51
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    R = sqrt 3 * (V / (pi * h))

    V = 62.8

    pi = 3.14

    h = 15

    now we sub

    R = sqrt 3 * (62.8 / (3.14 * 15)

    R = sqrt 3 * (62.6 / 47.1)

    R = sqrt 3 * 1.33

    R = sqrt 3.99

    R = 1.9 rounds to 2 inches <===
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