Who many does a polygon?

Answer 1

If you meant how many sides a polygon has well, it has at least 3 sides a triangle is the shape that has the least amount of sides. If the shape isn't closed that means it's not a polygon.

Answer 2

There is insufficient information for us to answer this question. Please edit the question to include more context or relevant information. It would be useful to know how many WHAT you are referring to!