Question

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

Answer 1

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

Explanation:

divide both sides by
`l`:

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

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

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