EB bisects AD. Also, triangle ACD is isosceles. Prove that angle CBE is 135°.
F FreemathID New member Joined Jan 14, 2012 Messages 1 Jan 14, 2012 #1 [SIZE=+0]EB bisects AD. Also, triangle ACD is isosceles. Prove that angle CBE is 135°.[/SIZE] Attachments triangle.jpg 6.7 KB · Views: 14
W wjm11 Senior Member Joined Nov 13, 2004 Messages 1,417 Jan 14, 2012 #2 Big Hint: 2m + 2n = 90 degrees Can you see why???
W wjm11 Senior Member Joined Nov 13, 2004 Messages 1,417 Jan 14, 2012 #3 Problem should read: EB bisects angle AEC.
