The formula for the surface area, S, of a cone is show below. Solve the formula for the length of l.

asked Jun 27, 2023 99.4k views

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Answer:
$l=(\pi r^2+\pi r)/(S)$

Explanation:

divide both sides by
:

$lS=\pi r^2+\pi r$

then divide both sides by S to let l by itself:

$l=(\pi r^2+\pi r)/(S)$

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