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Oksana_A [137]
3 years ago
5

The volume of a cylinder is 4πx3 cubic units and its height is x units. Which expression represents the radius of the cylinder,

in units?
Mathematics
1 answer:
olga55 [171]3 years ago
4 0
\bf \textit{volume of a cylinder}\\\\
V=\pi r^2 h\qquad 
\begin{cases}
r=radius\\
h=height\\
-----\\
V=4\pi x^3\\
h=x
\end{cases}\implies 4\pi x^3=\pi \cdot r^2\cdot x
\\\\\\
\cfrac{4\pi x^3}{\pi x}=r^2\implies \implies 2^2x^2=r^2\implies \sqrt{2^2x^2}=r\implies 2x=r
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