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What is the approximate volume of a cone with a height of 12 in. and radius of 9 in.?

Use 3.14 to approximate pi, and rexpress your final answer to the nearest tenth.



Answer :

iGreen
[tex]\sf~V=\dfrac{1}{3}\pi~r^2h[/tex]

Plug in what we know:

[tex]\sf~V=\dfrac{1}{3}(3.14)~(9)^2(12)[/tex]

Simplify exponent:

[tex]\sf~V=\dfrac{1}{3}(3.14)~(81)(12)[/tex]

Multiply:

[tex]\sf~V=1017.36[/tex]

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