Answer:
download photomath it will help u with any type of math
what............there’s no pic
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
Answer:
4 beacause when we multiply it will be 8.9523