Question

After a dilation, triangle A(0,0), B(0,4), C(6,0) becomes triangle A'(0,0), B'(0,10), C'(15,0). Choose the scale factor for this dilation.

Answer 1

The scale factor is 2.5

for B = 10/4 = 2.5

for C = 15/6 = 2.5