18. What is the perimeter of triangle GHJ?
19. What is the perimeter of triangle KLM?
20. What is the relationship between the perimeter of triangle GHJ and the perimeter of triangle KLM?

18 What is the perimeter of triangle GHJ 19 What is the perimeter of triangle KLM 20 What is the relationship between the perimeter of triangle GHJ and the peri class=