Quadrilaterals
Quadrilateral kinds and definitions
Trapezoid
a trapezoid has exactly one pair of parallel sides.
Parallelogram
a quadrilateral whose opposite sides are both parallel and equal in length
Rectangel
a parallelogram with 4 right angles.
Rhombus
a rhombus has four sides that are the same length.
Square
a rhombus with 4 right angles.
