Respuesta :

Answer:

2 : 3

Step-by-step explanation:

Given ratio of sides of 2 similar triangles = a : b , then

ratio of areas = a² : b²

Here by working in reverse

ratio of areas = 4 : 9 , thus

ratio of sides = [tex]\sqrt{4}[/tex] : [tex]\sqrt{9}[/tex] = 2 : 3