Answer:
did you forget a picture?
Step-by-step explanation:
Answer:
Concave octagon
Step-by-step explanation:
Concave octagon:
- This polygon has 8 sides. So it is a octagon.
- If one interior angle measures more than 180, then it is concave polygon.
So, this is a concave octagon
Answer:
1/root(3)
Step-by-step explanation:
the steps are in the pic above.