The triangles are isosceles and ΔABC : ΔJKL. What is the length of JL?
5 cm
7.5 cm
8 cm
10 cm

Answer:
JL = 8 cm
Step-by-step explanation:
The long side of the triangle is 4/2.5 = 1.6 times the length of the short side. Since the triangles are similar, JL will be ...
... 1.6 × 5 cm = 8 cm