Torus

Torus Facts
Notice these interesting things:
	It can be made by revolving a small circle along a line made by another circle.
	It has no edges or vertices
	It is not a polyhedron

And for reference:
	Surface Area = 4 × π² × R × r
	Volume = 2 × π² × R × r²
	Note: Area and volume formulas only work when the torus has a hole!

And did you know that Torus was the Latin word for a cushion?

(This is not a real roman cushion, just an illustration I made)

Torus in the Sky. The Torus is such a beautiful solid, this one would be fun at the beach !

Note: If you have more than one torus
they are called tori

More Torus Images

As the small radius (r) gets larger and larger, the torus goes from looking like a Tire to a Donut: