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daser333 [38]
3 years ago
8

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
Mathematics
1 answer:
klasskru [66]3 years ago
4 0

Answer:

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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