yes: polygons are any shape that has straight sides and is inclosed
Yes they are. They could have been called trigons.
No, but triangles are polygons.
yes.
They are both irregular polygons
they are all polygons
They are three different polygons.
Both are polygons.
They are polygons.
They are both polygons.
they both are polygons
They are both polygons.
They are 3 sided polygons
They are both polygons with three sides.
a triangle is half a square
Not normally but they are both polygons