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5 November, 12:52

A

The volume of a cylindrical tank is 115 ft. The height of the tank is 20 ft. What is the area of the base

of the tank?

A 5.75 ft2

B 9.5 ft2

C 13.5 ft2

D 23 ft2

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Answers (1)
  1. 5 November, 13:30
    0
    Answer is A 5.75ft^2

    Rearrange the equation of the volume of a cylinder to make pi x r^2 the subject

    This is because Pi x r^2 is the known formula for the area of a circle which is what you have to find.

    This should equal the volume divided by the height (v/h)

    Sub in 115 divided by 20 and this gives the area of a circle
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