Answer:
Angle 1 = 80 (by definition)
Angle 3 = 180 - 80 = 100
Angle 4 + Angle 2 = 90
Also, Angle 2 = 40 (by definition)
So Anglee 4 = 50
8:6 & 12:9 & 16:12
Step-by-step explanation:
hope this help ☆
(13, 5)
116.66 is that number divided