Recent content by kapella

Hello everyone! I just was reading Your questions and was interested in IAO problems. There are only problems without solutions of 2011 year in the net, but i found IAO 2005 problems. So i can not understand how to solve some of them. Like humans, astronomers of venus use the same method...

Thank you TSny for your answers. They really helped me to understand the solutuon of this problem. Can you, please, try to answer for this life problem too? https://www.physicsforums.com/blog.php?b=4091

oh, I'm grateful...thank You very much p.s. I was searching in the net solutions for the IAO 2011, 2010 and earlier years a lot. There are not any answers or solutions for problems of that olympiad. So can You help me please(cause in Your messages I see professionalism and kindness)? Best regards.

Thank you very much for the solving the problem. Can you explain, please, why angle AOB = β??