That would be b
hope this helps
I can’t see the image can you post it please or just tell me what the problem is
Answer:
it definitely has eight sides so I'm not completely sure but try Nonagon (9 sides) and heptagon (7 sides) Just in case if not I think maths watch is bugged as it does that sometimes <3
16.33333 (just put a line over the 3 because it just keeps on going and thats what the line shows)