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How much paper is needed to make the drinking cup in the diagram? Round to the nearest square inch.
The image is of a cone having?diameter?of 3 inches?and slant height of 4 inches.

 May 8, 2020
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The amount of paper needed is the surface area of the cone minus the base of it. The surface area of that is pi * radius * slant height. So our answer is pi * 1.5 * 4 = 6pi = 18.85 = 19 sq in.

 May 8, 2020

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