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 Math Central Quandaries & Queries
 Question from Chelsea, a student: There is a cone with a story problem that states only that the radius is the same as the altitude and that the slant height of the cone is 6cm. I have no idea how to figure this problem out.

Chelsea,

You didn't tell us what the problem is but there is a great deal of information in the description of the cone.

You know that $|CA| = |AB|$ and triangle $ACB$ is a right triangle. What does Pythagoras tell you?

Penny

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