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15-12-2019
Mathematics

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The Total surface area of a cylinder is 690.8 inches it’s diameter is 10 inches what is the height

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15-12-2019

surface area of a cylinder = (πr²)h

radius = diameter/2 = 10/2 = 5

surface area = 690.8

690.8 = (π(5)²)h

690.8 = 25πh

h = 8.80 in

answer: 8.80 in

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