Question

In triangle ABC, L,M and N are the midpoints of AB, BC, AC respectively. LM=5 MN=4cm, LN=6cm find the perimeter of triangle LMN and triangle ABC

Answer 1

perimeter of triangle LMN is 5+4+6=15 and perimeter of triangle ABC is that LMN are mid points of there sides so there sides be double of the value so double of perimeter so 15 ×2=30