A parallelogram is a four-sided polygon.
None
Concave is a property of [irregular] polygons. A parallelogram cannot be concave.
Yes.Yes.Yes.Yes.
They are both convex polygons.
Squares and rectangles.
No because a triangle has 3 sides whereas a parallelogram has 4 sides but they are both types of polygons
Polygons
These are all names of polygons.
A hexagon and a parallelogram are both polygons that have exterior angles that add up to 360 degrees
They are all polygons.
All of those are polygons.
square, rectangle, rhombus, parallelogram
The circle - the rest are polygons.