Question

In ABC, AB = x, BC = y, and CA = 2x. A similarity transformation with a scale factor of 0.5 maps ABC to MNO, such that vertices M, N, and O correspond to A, B, and C, respectively. If OM = 5, what is AB?

A) AB = 2.5

B) AB = 10

C) AB = 5

D) AB = 1.25

E) AB = 2