User:Franklin/Problem of the Week
From Drorbn
Feel Free to Post your answer. At the end of the Week the one with the better answer Gains the right to Post his/her own Problem of the Week.
Definition: The week ends on Friday!
Please, do not post too difficult problems. Remember that the problems are supposed to be solved in a week.
In the Torus, the surphace of a Donnut, draw the two generating circles.
What is the result of shrinking these two circles onto a single point?
Regard the torus as rubber-made tube.