Aashir Mehrotra Profile Topics Started Replies Created Engagements Favorites Search replies: Forum Replies Created Viewing 1 post (of 1 total) Author Posts April 1, 2020 at 10:21 am in reply to: Geometry question from challenge and thrill #61480 Aashir MehrotraParticipant I feel we need to show that the orthocentre of ABC and the orthocentre of PQR coincide Author Posts Viewing 1 post (of 1 total)