A sphere with radius 3 is inscribed in a conical frustum of slant height 10. (The sphere is tangent to both bases and the side of the frustum.) Find the volume of the frustum.

Question

I really need help with this question, it's very difficult for me! I have a diagram and I set up some equations, but I can't figure out what to do next. Please, please help! Thanks.

Answer 1

You might take a look here:

https://www.mathisfunforum.com/viewtopic.php?id=21271

Answer 2

Thanks! 😊