MathDB

2015 F14

Part of MBMT Team Rounds

Problems(1)

MBMT Team -- Fermat #14

Source:

3/29/2015
Let ABCDABCD be a square with side length 11. If point EE is on BCBC, point FF is on DCDC, and triangle AEFAEF is equilateral, compute the side length of triangle AEFAEF. (Note: if your answer has a square root inside a square root, you have not fully simplified your answer.)