A regular polygon
An octogon
A shape with eight sides is always an octagon. If all angles and sides are equal, it is called a regular octagon.
Such a shape is called a rhombus.
Rhombus
A regular hexagon.
Any regular shaped polygon has equal angles and equal sides
It is a square.
56678 Shape is called a rhombus
A shape with 4 right angles and 4 equal sides is a square. ==========================
A square has 4 equal sides with opposite angles that are equal.
A shape where all the sides are equal and all the angles are equal. If all sides are equal but angles or not, it is equilateral. If it is vice versa, it is equiangular.
This is a parallelogram called a rectangle. A square has four right angles and four sides that are equal in length.