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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
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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

A water cup is shaped like a cone. It has a diameter of 3 inches and a slant height-example-1
User Nikhil Sridhar
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5.9k points

1 Answer

5 votes
Formula for area of cone not covered.

\pi * radius * slant
Radius is half of diameter. Therefore 1.5in
Using formula
3.14x1.5x5=23.55
Round up to 24in². answer is A
User Fbid
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6.1k points
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