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15-01-2020
Mathematics

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the volume of a cylinder is about 402 cubic inches. the height is 2 times the cylinder’s radius. what are the radius and height of the cylinder?

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Stefanisaska Stefanisaska

16-01-2020

Answer: r=4 inch

H=8 inch

Step-by-step explanation:

V=402 inch³

H=2r

V=Hr²π

402=2r*r²π

402=2r³π

402/2π=r³

64=r³

r=4

H=2*4=8

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