http://i667.photobucket.com/albums/v...conesphere.jpg

That's a question on my textbook.... i can't solve it and my teacher is away. Anyone help?

Thanks.

Printable View

- March 15th 2009, 09:15 PManonymous_mathsSphere in Cone Geometry
http://i667.photobucket.com/albums/v...conesphere.jpg

That's a question on my textbook.... i can't solve it and my teacher is away. Anyone help?

Thanks. - March 16th 2009, 12:05 AMearboth
- March 16th 2009, 07:08 AMearboth
Let h denote the height of the cone. Then:

The volume of a cone is calculated by:

That means:

------------------------------------------------------------------------------------

From a) you know that

The volume of the sphere is calculated by:

That means:

------------------------------------------------------------------------------------

The percentage is calculated by