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29-01-2018
Mathematics

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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 of 5 inches About how many square inches of paper do you need to make a cup U class=

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29-01-2018

Formula for area of cone not covered.
[tex]\pi \times radius \times slant[/tex]
Radius is half of diameter. Therefore 1.5in
Using formula
3.14x1.5x5=23.55
Round up to 24in². answer is A

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