quadrilateral
A Rhombus
A four-sided figure with two pairs of parallel sides the same length and four right angles is called a square.
A four sided figure with four equal sides and no right angles is a diamond, or a rhombus. If it had four right angles, it would be a square.
A quadrilateral
Trapezoid
A 12 sided figure is called a dodecagon.
parallelogram
A 10 sided shape is a decagon
A 5-sided figure is called a "Pentagon".
A ten sided figure is called a Decagon. ( i think that's how you spell it. )
an four sided figure is called a quadrilateral.
It is called an 'Irregular Hexagon'