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15 December, 18:14

The volume of a 12-inch-tall cone is 144π cubic inches. Which statement about the radius of the base of the cone is true?

The radius is 6 inches, and it is a rational number.

The radius is 6 inches, and it is an irrational number.

The radius 12π inches, and it is a rational number.

The radius is 12π inches, and it is an irrational number.

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  1. 15 December, 21:03
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    I think the correct answer would be that the radius is 6 inches, and it is a rational number. The volume of a cone is represented by the equation

    V = pi (r^2) h / 3

    calculating for r given the volume and height we would get 6 inches.
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