Problem B. 4706. (April 2015)
B. 4706. The sides of rectangle \(\displaystyle ABCD\) are \(\displaystyle AB= \frac{\sqrt{5}+1}2\) and \(\displaystyle BC=1\). Let \(\displaystyle E\) be the point in the interior of line segment \(\displaystyle AB\) with \(\displaystyle AE=1\). Show that \(\displaystyle \angle ACE= 2\cdot \angle EDB\).
Suggested by Sz. Miklós, Herceghalom
(3 pont)
Deadline expired on May 11, 2015.
Statistics:
113 students sent a solution. 3 points: 86 students. 2 points: 8 students. 1 point: 17 students. 0 point: 2 students.
Problems in Mathematics of KöMaL, April 2015