Friday, September 17, 2010
16th Balkan Mathematical Olympiad Problems 1999
16th Balkan Mathematical Olympiad Problems 1999A1. O is the circumcenter of the triangle ABC. XY is the diameter of the circumcircle perpendicular to BC. It meets BC at M. X is closer to M than Y. Z is the point on MY such that MZ = MX. W is the midpoint of AZ. Show that W lies on the circle through the midpoints of the sides of ABC. Show that MW is perpendicular to
Subscribe to:
Post Comments (Atom)
Popular Posts
-
Boxhead The Zombie Wars Infomation: Fight an army of zombies using awesome new weapons How to play: WADS Keys to move. Space to shoot. Z to ...
-
Avatar Fortress Fight 2 Infomation: Launch fireballs and more at the other village. Try to take down their dojo by launching weapons. How to...
-
Check the flag is a fun and simple puzzle game . In this game your task is to make the enemy flag with the army you have...
No comments:
Post a Comment
Note: Only a member of this blog may post a comment.