Answer:
[tex]80[/tex]
Step-by-step explanation:
A pentagon's angle all add up to 540
[tex]460+x=540[/tex]
[tex]x=80[/tex]
Answer:A 80
So a square is all 90° angles so take 90 from 140 and get 50 and 50+50=100 and a triangles thing adds up to 180 so 180-100=80 (I’m not good at explaining sorry)
