SEARCH HOME
 Math Central Quandaries & Queries
 If a cone has a slant height of 25 inches and a radius of 7 inches what is the height in inches of the cone?

Hi Carmen,

I drew a diagram of the cone you described, not to scale.

Triangle $ABC$ is a right triangle and you want the length of the side $BC.$ Maybe Pythagoras can help.

Harley

Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences.