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- Wed May 10, 2017 1:44 pm
- Forum: Secondary Level
- Topic: BDMO 2017/09
- Replies: 1
- Views: 2661
BDMO 2017/09
In a cyclic quadrilateral $ABCD$ with circumcenter $O$, the lines $BC$ and $AD$ intersect at $E$. The lines $AB$ and $CD$ intersect at $F$. A point $P$ satisfying $\angle EPD = \angle FPD = \angle BAD$ is chosen inside of $ABCD$. The line $FO$ intersects the lines $AD, EP, BC$ at $X,Q,Y$ respectivel...