Answer:
∠5=∠7=∠6=∠8=143°
∠4=∠2=∠1=37°
Step-by-step explanation:
∠4=180-∠6=180-143=37°
X=12 you take away 1x from four then divide 36 by 3x
y=x-3
Step-by-step explanation
true
