Geometry Tutorial #3 -Circles (Theory)

#IMO​ #Geometry #MathOlympiad​ In this video we discuss the second chapter from EGMO book "Circles". We learn many ideas including (Similar triangles, Power of Point, Radical Axis, Radical Center, Coaxial Circles, and finally Contact triangle ratios). 00:00 Intro 1:01 Similar Triangles 10:18 Power of Point 25:03 Radical Axis 35:55 Radical Center 51:51 Coaxial Circles 58:43 Contact Triangle Ratios 01:05:13 Summary Thanks to Arc for desigining the thumbnail. Inequalities playlist: https://youtube.com/playlist?list=PL1qInO9wTp3mgEn4_X2niePNxrX26OJBl&si=ELV8IYRYz5cyq0sG IMO Past Problems: https://youtube.com/playlist?list=PL1qInO9wTp3kBq7mFRtDauNbuQnddGd6H Functional Equations playlist: https://youtube.com/playlist?list=PL1qInO9wTp3lh0uGN9W6JufoBk7g0BDCL Geometry playlist: https://youtube.com/playlist?list=PL1qInO9wTp3lG6O06huPmQjR1kpeLDI76&si=DBuTjkYVTqTaMLIM Shorts: https://youtube.com/playlist?list=PL1qInO9wTp3m388GGbyWbw85LZRhn3dQw __________________________________________________________________________________________ I upload videos concerning math Olympiad contests to help students preparing for math Olympiad and all people who share the love for some interesting math problems. Don't forget to subscribe to the channel! __________________________________________________________________________________________ Email me your thoughts! ([email protected]) Discord server: https://discord.gg/RcP9eX9yg2 Donate: https://www.paypal.com/paypalme/hommeida?locale.x=en_US