if the height of a cone is equal to diameter of its base, find the volume of the cone
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Step-by-step explanation:
cone is:
\text{Volume of cone } = \frac{2}{3} \pi r^3Volume of cone =
3
2
πr
3
Solution:
The volume of cone is given as:
\text{Volume of cone } = \frac{1}{3} \times \pi r^2 hVolume of cone =
3
1
×πr
2
h
Where,
"r" is the radius
"h" is the height
Given that,
height of a cone is equal to diameter of its base
Therefore,
\begin{gathered}h = d\\\\We\ know\ that\ diameter = 2\ radius\end{gathered}
h=d
We know that diameter=2 radius
Thus,
h = 2r
Therefore, substitute h = 2r in formula,
\begin{gathered}\text{Volume of cone } = \frac{1}{3} \times \pi r^2 (2r)\\\\\text{Volume of cone } = \frac{2}{3} \pi r^3\end{gathered}
Volume of cone =
3
1
×πr
2
(2r)
Volume of cone =
3
2
πr
3
Thus the volume of cone is found
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