A water cup is shaped like a cone. It has a diameter of 3 inches and a slant height of 5 inches. About how many square inches of paper do you need to make a cup? Use 3.14 to approximate pi. 24 square inches 31 square inches 47 square inches 52 square inches
1 answer:
Lateral Area = PI * radius * slant height Lateral Area = 3.14159 * 1.5 * 5 Lateral Area =
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23.561925
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The answer is 24 square inches. Source: http://www.1728.org/volcone.htm
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