Question

If the circle in the diagram revolves about the vertical dashed line, which type of geometrical shape will it generate?

Answer 1

any ideas?

Answer 2

I thought it was D but something tells me I'm wrong

Answer 3

D) solid ring is correct

Answer 4

another term for it is torus

http://mathworld.wolfram.com/Torus.html

Answer 5

Oh wow guess it pays to go with your gut! Thank you!

Answer 6

it does and you're welcome