b=7×10(opposite angle of parallelogram)
b=70
3x+10+b=180(cointerior angles)
3x=10
x=33.33
a+70=180(cointerior angles)
a=110
I think it's b but i'm not sure!
Answer:
idk
Step-by-step explanation:
idk
Can you please and comma's? Without commas everything is confusing.