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The right circular cone that can be made from a sector of a circle whose area is 3/4 of a circle of radius 15 cm. Find the volume.

 Dec 1, 2022
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The radius of the circle is ...., so its circumference is ...., so the circumference of the base of the cone is ...., so its base radius is ..... .

The slant height of the cone will be equal to the radius of the original circle, so the height of the cone will be ...., so the volume of the cone is ..... .

(Sorry, I 've mislaid my calculator.)

 Dec 1, 2022

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