Question

draw triangle PQR with sides PQ is 7cm QR is 8cm and PR is 5cm and construct its orthocentre

Answer 1

where cut three lines is the orthocentre of triangle . from p draw a line on QR and from Q draw a line on PR and from R draw a line on PQ. because thsee lines cut at mid point of face side . An orthocentre is a center which where cut all drawn from angle cut each side at mid point.