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Mathematics 14 Online
OpenStudy (anonymous):

What is the volume of a cone that has a radius of 4 cm and a height of 9 cm? Use 3.14 to approximate pi and express your answer in hundredths. [ ? ] cm3

OpenStudy (anonymous):

@iGreen @sleepyjess

OpenStudy (sleepyjess):

Do you know the formula for volume of a cone?

OpenStudy (anonymous):

idk

OpenStudy (anonymous):

what is it

OpenStudy (sleepyjess):

\(\sf V = 3.14*r^2*\dfrac h3\)

OpenStudy (anonymous):

\[V=πr2\frac{ h }{ 3 }\]

OpenStudy (sleepyjess):

We know all the values, so just plug them in

OpenStudy (anonymous):

150.72

OpenStudy (sleepyjess):

Yep :)

OpenStudy (anonymous):

ok thx

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