Skip to content
Open nowWeek 12Geometry

The Folded Square

A square of side 1 is folded so that one corner lands exactly on the midpoint of a non-adjacent side. Prove that the crease has length (√5 / 2) · t for some rational t, and find t.

Worth12 pts
AttemptsOne only
Closes
Archive

Your entry

Sign in to see your answer for this week.

Your answer

Sign in to enter this week's problem.

One attempt per week. Your answer is locked in the moment you submit it.