Posted by **harsh** on Tuesday, February 12, 2013 at 5:43am.

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?

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**ABCD**, Friday, February 15, 2013 at 4:02am
This problem is at an website (brilliant . org). Please don't answer this since the problem is open. Answer this the next week.

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**hehe**, Friday, February 15, 2013 at 4:14pm
I know who are you. The point of Brilliant is to improve your skills, not cheat and gain ill-deserved "prizes".

Be ashamed of yourself.

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**anonymous**, Wednesday, July 3, 2013 at 3:10pm
64

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**stevesa**, Thursday, July 4, 2013 at 8:24am
how 64 can you post process

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