Posted by harsh on .
ABCD is a convex cyclic quadrilateral such that AB=AD and ∠BAD=90∘. E is the foot of the perpendicular from A to BC, and F is the foot of the perpendicular from A to DC. If AE+AF=16, what is the area of ABCD?

maths 
ABCD,
This problem is at an website (brilliant . org). Please don't answer this since the problem is open. Answer this the next week.

maths 
hehe,
I know who are you. The point of Brilliant is to improve your skills, not cheat and gain illdeserved "prizes".
Be ashamed of yourself. 
maths 
anonymous,
64

maths 
stevesa,
how 64 can you post process