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Mathematics 20 Online
OpenStudy (anonymous):

The lateral area of a cone is 480 pi cm2. The radius is 40 cm. Find the slant height.

ganeshie8 (ganeshie8):

lateral area of cone = \(\pi r l\) \(r\) = radius \(l\) = slant height

OpenStudy (anonymous):

which is r and l?

ganeshie8 (ganeshie8):

The radius is 40 cm r = 40

ganeshie8 (ganeshie8):

you need to solve \(l\)

ganeshie8 (ganeshie8):

\(480 \pi = 40 l\) solve \(l\)

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