Find the volume $ V $ of a cone if radius $r = 2$ and height $h = 9$.
Answer
$V = 12\pi$
Explanation
To find volume $ V $ use formula:
$$ V = \dfrac{ r ^{ 2 } \cdot h \cdot \pi}{ 3 } $$After substituting $ r = 2 $ and $ h = 9 $ we have:
$$ V = \dfrac{ 4 \cdot 9 \cdot \pi}{ 3 }$$$$ V = \dfrac{ 36 \, \pi}{ 3 } $$$$ V = 12\pi $$This page was created using
Cone Calculator