@Kitonum 

Thank you very much for your answer and helping, this is very helpful.

@Carl Love 

Thanks for your answer, but I purpose is design animations like http://www.mapleprimes.com/questions/201653-Volume-Of-A-Solid-Of-Revolution-Rotation

Can you help me, please!

@Kitonum 

How to create animation f(x)=x^2, g(x)=sqrt(x), x=0, and x=1 if rotation about line y=-1 and x=-1?

Thank for your attention and helping.

@Kitonum 

Thank for your answer and helping, this is very helpful.

@rlopez 

How to create this animation if rotation about x axis?

Thank for your attention and helping.

@Carl Love 

How to create this animation if rotation about x axis?

Thank for your attention and helping.