Asked by Angelita Marie

Find the radius of a right cone with slant height 21 m and surface area 168pi m2
Answered by drwls
Does that surface area include the base?

The area of the conical portion is
A = pi* R * (slant height)

You can use that formula to solve for the radius, R

See http://www.uwm.edu/~ericskey/TANOTES/Geometry/node15.html
There are no AI answers yet. The ability to request AI answers is coming soon!