Respuesta :

Answer:

E) 5.4m

Step-by-step explanation:

ratio of triangle FGH : triangle JKL => 2.1 : 1.4

perimeter of triangle FGH = x

2.1 : 1.4 = x : 3.6

=> 1.4x = 2.1 × 3.6

=> x = 2.1 × 3.6 ÷ 1.4 = 5.4