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Math Help - Volume of a cone

  1. #1
    Senior Member Mukilab's Avatar
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    Volume of a cone

    Calculate the radius

    10=\frac{1}{3} \pi r^2 \cdot 1.5

    \frac{10}{1.5} \cdot 3=\pi r^2

    \frac{(\frac{10}{1.5} \cdot 3)}{\pi}=r^2=6.366

    \sqrt{6.366}=r=2.52

    Correct?
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  2. #2
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    e^(i*pi)'s Avatar
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    Quote Originally Posted by Mukilab View Post
    Calculate the radius

    10=\frac{1}{3} \pi r^2 \cdot 1.5

    \frac{10}{1.5} \cdot 3=\pi r^2

    \frac{(\frac{10}{1.5} \cdot 3)}{\pi}=r^2=6.366

    \sqrt{6.366}=r=2.52

    Correct?
    Yep, full marks
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