Vertical angles is the same angle, but we don't know "x". If you look in a way. We can do 180=(3x+80).
100=3x
100/3 = x
Now we have the answer for x we plug it in to get the answer.
3(100/3) + 80 =<D
<D = <C
If they get unexpected results they could note what they could've done wrong or what they could change in a next trail of experiments. Or look back and see what different happened to they could've hypothesized. There could be many different courses on what to do next.
Answer:
7.1
Step-by-step explanation:
If you count how many units are between the library and the park, it is seven units.