hey everybody,

im tring to solve this question for a long time without much success...

i succeeded only with trigonemtry but this is not helping because i need to solve the question with geometry only!

so here the question:

http://img692.imageshack.us/img692/8039/47113180.png

The center of the squares are Q and P

BO=OC

I Need to prove OP=OQ

Now, i found this question helpful:

http://img651.imageshack.us/img651/9421/77121137.png

on each side of Parallelogram there is a square

I need to prove that:

If the centers of the squares are connectd

a square forms in the middle

if you can prove that the square in the middle has right angles

then you can prove the first question (look at the green line its Symmetry line and also the hypotenuse)

thank you for the help

omer20