Watch video How to draw a triangle PQR with sides PQ=6cm,QR=7cm,PR=5cm and construct its orthocentre. online without registration, duration 03 minute 37 second in high hd quality. This video was added by user SH SIR CLASSES 09 March 2022, don't forget to share it with your friends and acquaintances, it has been viewed on our site 5 thousand once and liked it 40 people.