There is a cone whose radius is equal to its height. The numerical surface area is equal to the numerical volume. Find the exact radius and volume of the cone.

(In reply to re(2): More info required ! by nikki)

But as you can clearly see in this illustration, a cone has an open base, not a solid enclosed form.

http://www.ideafinder.com/history/inventions/story025.htm

 

Posted by Penny on 2004-10-11 14:11:06