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A cylinders lateral area is 94.2cm2. the height is 6cm. what is the radius?

A cylinders lateral area is 94.2cm2. the height is 6cm. what is the radius?
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A cylinders lateral area is 94.2cm2. the height is 6cm. what is the radius?

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User Alex Ackerman
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\bf \textit{lateral area of a cylinder}\\\\ LA=2\pi rh~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ LA=94.2\\ h=6 \end{cases}\implies 94.2=2\pi r(6)\implies 94.2=12\pi r \\\\\\ \cfrac{94.2}{12\pi }=r\implies 2.4987\approx r

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User SurfRat
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