Quote: "All I can see is how to create a polygon related to a sprite. Would I have to create a sprite for each line segment, a 1 pixel width rectangle of the length of the line segment and rotate it to the right angle of the line to achieve this?"
In a word, yes. Then you would add physics joints to hold it all together. Or if the lines don't move, they can be static objects with no joints.
It's been a while since I used physics, but I think edges are available in DBPro and not AGK.
Quidquid latine dictum sit, altum sonatur