karemolivranagaria karemolivranagaria

05-07-2016
Mathematics

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Find the diameter of a cone that has a volume of 56.52 cubic inches and a height of 6 inches. Use 3.14 for pi. a. 3 inches. b. 6 inches. c. 9 inches. d. 12 inches

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olemakpadu olemakpadu

06-07-2016

Volume of cone = (1/3)pi*r²h

56.52 = (1/3)*3.14*r²*6

56.52/(2*3.14) = r²

9 = r²

r² = 9

r = √9

r = 3

Diameter = 2*r = 2*3 = 6 inches. b.

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