Question

Triangles abc and def are similar. If angle c = angle f, ab= 4.2 cm, de = 2.1 cm, bc = 6.4 cm. Find ef. Select one: a. 3.2 cm b. 4.2 cm c. 1.05 cm d. 2.1 cm

Answer 1

Answer:

∆abc~∆def

ratio of side = 2

6.4÷a=2

a=3.2