EM-772

Volume and surface area of solids

E Math · Secondary 3 · Hard · Volume and surface area of solids

A right cone has radius 6 cm and vertical height 8 cm. It is joined to a solid hemisphere of the same radius to form a single solid. Find the total curved surface area of the solid, leaving your answer in terms of

\pi

$132\pi\,\text{cm}^2$
$60\pi\,\text{cm}^2$
$72\pi\,\text{cm}^2$
$120\pi\,\text{cm}^2$

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