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Mathematics 11 Online
OpenStudy (anonymous):

A cone has a diameter of 18 in. and a height of 14 in. What is the volume of the cone? Use 3.14 as an approximation for straight pi . Express your final answer in hundredths. in3

OpenStudy (anonymous):

I'm not sure if you should convert imerial to metric units for calculation, but you should use the volume of cone formula: \[V=\frac{1}{3} \pi r^2 h \]

OpenStudy (anonymous):

r=half of the diameter h=height

OpenStudy (anonymous):

i got it now

OpenStudy (anonymous):

What do you get?

OpenStudy (anonymous):

18990.72

OpenStudy (anonymous):

Nope doesnt seem right, have you divide the diameter by 2?

OpenStudy (anonymous):

\[V=\frac{1}{3} \pi (\frac{18}{2})^2 (14)\]

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