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3 May, 04:04

Carl knows the required height of the volume of a cone-shaped vase he's designing. Which formula can he use to determine the radius of the vase. Select the correct answer.

A. r = V / 3πh

B. r = V / πh

C. r = 3V / πh

D. r = ± / V πh

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Answers (1)
  1. 3 May, 06:25
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    The volume of a cone is calculated like this:

    V = pi*r^2*h/3

    so we have to solve for radius:

    r = √ (3V/pi*h)

    that is how to get the radius.

    From your answers, C answer approaches to it, but it lacks the square root which is fundamental as well
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