Question

Triangle ACD is dilated about the origin.10D'984DC'с-7-8-5-4-3-234-1-2Which is most likely the scale factor?O3O223

Answer 1

ACD has a base (AC) with a length of 3 units.

A'C'D' has a base (A'C') with a length of 9 units.

Therefore, the scale factor is 9/3 = 3.