Question

What is the scale factor from triangle ABC to triangle DEF (simplify)

Answer 1

2/3 is the scale factor.

Explanation:

10/15=2/3

8/12=2/3

6/9=2/3

Answer 2

3/2

Explanation:

The ratio of corresponding sides of DEF to those of ABC is ...

9/6 = 12/8 = 15/10 = 1.5 = 3/2

Triangle DEF is 1.5, or 3/2 times the size of triangle ABC.