Mathematics, 26.09.2019 13:30 sk9600930
Acylinders lateral area is 94.2cm2. the height is 6cm. what is the radius?
Answers: 2
![\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](/tpl/images/0264/7890/19b36.png)
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Acylinders lateral area is 94.2cm2. the height is 6cm. what is the radius?...
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