yes they all have special names.
might be concave
They both have three(3) or more sides. =)
Yes, both of these are special versions of quadrilateral. And a quadrilateral is a four sided polygon.
polygons
polygons, I believe.
You might be aware of certain names of special polygons, such as pentagon, hexagon, and octagon. These terms classify a polygon by the number of sides.
Triangle, quadrilaterals - including those with special names such as rhombus.
might be concave
They both have three(3) or more sides. =)
Yes, both of these are special versions of quadrilateral. And a quadrilateral is a four sided polygon.
Polygons.
namesand pictures of quadrilaterals and other polygons
Yes.
Both rectangles and squares are polygons. A square is a special case of a rectangle.
yes: polygons are any shape that has straight sides and is inclosed
There are infinitely many polygons so it would be impossible to name them all. For the names of those with a fewer sides see the related link.
polygons