Recent content by hoodlum

1. Let A, B, C, D, and E be five points in order around a circle with centre O, and let AOE be a diameter. Prove that <ABC + <CDE = 270◦. 2a) Prove that if two chords of a circle bisect each other, then they are both diameters. b) Prove that if the chords AB and PQ intersect at M and MA =...