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The radius of a cylinder is 15 cm. The volume of the cylinder, found using 3.14 to approximate pi, is 19,782 cm3.

What is the height of the cylinder?

Express your answer as a whole number.

______cm



Answer :

iGreen
Formula:

[tex]\sf~V=\pi~r^2h[/tex]

Plug in what we know:

[tex]\sf~19782=(3.14)(15)^2h[/tex]

Simplify the exponent:

[tex]\sf~19782=(3.14)(225)h[/tex]

Multiply:

[tex]\sf~19782=706.5h[/tex]

Divide 706.5 to both sides:

[tex]\sf~h=\boxed{\sf28}[/tex]

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