The similarities and differences of quadrilaterals

At a Glance

• all quadrilaterals interior angles add up to 360 degrees 
• all quadrilaterals are coplanar
• all quadrilaterals have two diagonals
• all quadrilaterals have four sides

here are the most common quadrilaterals:

                               

A Rectangle                     A Parallelogram                               A Square        

                          

A Rhombus                 A Trapezoid                           and don't forget the Kite!

Here is a helpful table from math.com with the properties and differences of these quadrilaterals