Question

The larger triangle is the image of the smaller triangle after a dilation. The center of the dilation is (−2,−2).
What is the scale factor used to create the dilation?

http://prnt.sc/dlyl2i

Answer 1

Is the answer 3?

Answer 2

@mathmale

Answer 3

Yes. If you mult. the length of either leg of the smaller triangle by 3, the result is 9, which agrees with the length of either leg of the larger triangle. Yes.