Answer:
x = 50
m∠D = 150°
m∠F = 30°
Step-by-step explanation:
∠D + ∠F = 180°
3x + x - 20 = 180
3x + x = 180 + 20
4x = 200
x = 200/4
D = 3*50 = 150
∠D = 150°
F = 50 - 20 = 30
∠F = 30°
21?
POOP
Check pdf
