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06-04-2020
Mathematics

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The volume of a cylinder is 225 cm and it’s height is 9 cm. What is the length of the cylinders radius.

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06-04-2020

Answer:

225pi=a*9

divide both sides by 9

25pi=a

a=pir^2

25pi=pir^2

cancel out pi

25=r^2

so the length of the radius is 5

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