Answer:
scale factor= 4.7
Step-by-step explanation:
47/10= 4.7
32.9/7= 4.7
28.2/6= 4.7
To figure out the scale factor for the smallest to the largest triangle, divide the larger number by the smaller number (of the same side).
If you wanted to get the scale factor of the largest to smallest triangle, you would just do the opposite.
ex. 10/47, 7/32.9...
Answer:

Step-by-step explanation:
The standard form of an equation of a line:

We have the equation in the point-slope form. Convert:

(15, -8) :)
From C to midpoint you do (+10, -7), so you have to do that again to get to D
Congruent and similar because they have the same measurements.