Question

Help please with math!

Answer 1

scale factor is 1/2

Explanation:

notice that the sides of ΔABC are one-half of the length of the sides 0f ΔDEF

Answer 2

1/2

Explanation:

If you do this:

20:2=10

14:2=7

12:2=6

You get dimensions of smaller triangle which is a half from bigger one.