Question

in the figure l, m and n are midpoint of the side pq ,pr and qr respectively of Δ pqr if pq=4.4 qr=5.6CM and pr =4.8 CM then the find the perimeter ofΔLMN

Answer 1

7.4 Cms

4.8/2+5.6/2+4.4/2=7.4cm
When we joint 2 midfle point of 2 sides of a triangle, then that line will be parallel to the 3rd side and half of third side.