I think it is 20 m
Hope this help you
- linear pairs are supplementary, meaning they add up to 180°
5x + 9 + 3x + 11 = 180
8x + 20 = 180
8x = 160
x = 20
- now plug in.
angle 1: 5(20) + 9 = 100 + 9 = 109°
angle 2: 3(20) + 11 = 60 + 11 = 71°
11.2, 12.5, 12.5, 13.23, 13.23, 14.5, 15.6, 15.75
It's 13.23
Sooo i didn’t like April at first but now i love her
Answer:
3.8
Step-by-step explanation:
only one that made sense
