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const2013 [10]
3 years ago
10

Find the volume of a cone with a base area 36pi and a height equal to twice the radius

Mathematics
1 answer:
beks73 [17]3 years ago
8 0
The volume of a cone is V= \frac{1}{3} A_{\text{basis}}\cdot H. Since A_{\text{basis}}=36\pi and you know that basis is a circle you can conclude that \pi R^2=36\pi and R=6.

If <span>height H equal to twice the radius R, then H=2R=2\cdot 6=12.</span>

The volume will be:V= \frac{1}{3} \cdot 36\pi \12=144\pi cubic units.
<span />

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