Quadrilateral.
Yes, there is polygon that is called a diamond but it is not the same shape as the precious stone.
A rhumbus?
Not
A diamond is indeed a polygon. It's a closed figure lying on a plane and constructed of straight lines.
naww!
In general, a diamond shape is neither a square nor a regular polygon. Only in an extreme form is it a square and therefore a regular polygon.
the type of polygon that has 7 sides is the type of polygon that is called a heptagon.
No, but a trapezium is a type of polygon.
no it's not
a rhombus
A rhombus is a polygon that has four sides that are all the same length. It is a common type of quadrilateral and is often called a diamond.
because a rhombus is a kite and a kite is a quadrilateral and a polygon. basically to sum it up a polygon is a kite (diamond).