Asked by idkkk

the lateral surface area of a cone is 558pi cm^2. The radius is 18cm. Find the slant height to the nearest tenth.
17.1
16.4
31.0
11.6
Answered by Reiny
you know lateral area of cone = π r l, where both SA and r are known, l is the slant height
π(18)l = 558π
l = 558/18 = ....
Answered by idkkk
31!
Thank You!!!