Answer:
I think 100, I could be wrong
Step-by-step explanation:
If it is a school then all of them should be carrying a backpack
It becomes verticle unless its already verticle then it become horizontal
Answer:
120°
Step-by-step explanation:
x = angle supplement = 180-x
x = 4(180-x) -120
x = 720 - 4x - 120
5x = 600°
x =120°