1. the triangles below are similar. show your process!
b
17.4cm
8.7 cm
5cm
2cm
x
130°
a. use the side lengths of triangle xyz and the fact that the triangles are
similar to find the lengths of ac and ab and the measure of angle z.
b. what is the scale factor from triangle xyz to triangle abc?

Aclothing designer is selecting models to walk the runway for her fashion show. the clothes she designed require each model’s height to be no more than y inches from 5 feet 10 inches, or 70 inches. which graph could be used to determine the possible variance levels that would result in an acceptable height, x?