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A right cylinder can of PaPi spinach has a diameter length of 4" and a height of 5". what is the total surface area of the spinach can? (nearest tenth)

A right cylinder can of PaPi spinach has a diameter length of 4" and a height of 5". what is the total surface area of the spinach can? (nearest tenth)
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A right cylinder can of PaPi spinach has a diameter length of 4" and a height of 5". what is the total surface area of the spinach can? (nearest tenth)

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User Alok Singh
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1 Answer

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if the cylinder has a diameter of 4, then its radius is half that, or 2.



\bf \textit{surface area of a cylinder}\\\\ SA=2\pi r(h+r)~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=2\\ h=5 \end{cases}\implies SA=2\pi (2)(5+2)\implies SA=4\pi (7) \\\\\\ SA=28\pi \implies SA\approx 87.964594\implies \stackrel{\textit{rounded up}}{SA=88.0}

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User Alex Thomas
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