Answer:
x=9
Step-by-step explanation:
I took one side, and made proportions:
12:16
3:4
so, x-1:6=3:4
(x-1)/6=3/4
solve it for x=9
Answer:
1 = Supplementary
2 = Vertical
3 = Congruent
4 = Supplementary
5 = Complementary
6 = Adjacent
7 = never
8 = always
9 = sometimes
10 = 79°
11 = 28°
12 = 133°
Step-by-step explanation:
<span>Assuming that this is referring to the same list of options that was posted before with this question, the correct response was the first one, although I forget what it was. </span>
