Answer:
155°
Step-by-step explanation:
The sum four angles is 360° so:
60°+45°+100°+x=360°
x = 360°-100°-45°-60°=155°
Sorry I feel bad I don't kt the answer sorry hope you find the answer tho
sorry
3
The values of a, b, and c for the quadratic equation
a=3
b=-5
c=6