triangle ABC with sides AB=10, AC=10, and BC=12 is rotated about the altitude BC. what is the volume of the cone formed?

Hello,echellyluv!
I assume there is a word left out . . .
Trianglewith sides
is rotated about the altitude to
What is the volume of the cone formed?
The volume of a cone is: .
Code:A * /|\ / | \ / | \ 10 / | \ 10 / |h \ / | \ / | \ B * - - - * - - - * C 6 D 6
is the altitude to side
Pythagorus says: .
We have: .
. . Therefore . . .