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31 March, 07:31

A fish tank is in the shape of a right circular cylinder with a height of 20 feet and a volume of 320 pi cubic feet. What is the radius, in feet, of the fish tank?

A. 16

B. 10

C. 8

D. 4

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Answers (1)
  1. 31 March, 07:58
    0
    4 feet

    Step-by-step explanation:

    From the question, we are given;

    Height of the cylinder as 20 ft Volume of the cylinder as 320 pi

    We are required to find the radius of the cylinder fish tank;

    We need to know that the volume of a cylinder is given by;

    Volume = pi * r² * h

    Rearranging the formula;

    r² = V : pi * h

    Therefore;

    r² = 320 pi : (pi * 20 ft)

    = 16

    Thus;

    r = √16

    = 4 ft

    Therefore, the radius of the fish tank is 4 feet.
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