I have a quad
A rectangle or a square are sets of quadrilaterals with two pairs of right angles. They each have two pairs of right angles and two sets of equal sides.
It is called a parallelogram.
A square and a rectangle
There is no name for such a figure. Quadrilaterals such as a trapezium or kite or even one with no equal sides can have a right angle.
Rhombushttp://www.mathwarehouse.com/geometry/quadrilaterals/parallelograms/images/rhombus/rhombus-diagram.jpg
Rectangles have 2 pairs of right angles.
A rectangle or a square are sets of quadrilaterals with two pairs of right angles. They each have two pairs of right angles and two sets of equal sides.
rectangles
square
Trapezoids make up the set of quadrilaterals with 2 pairs of parallel sides.
There is no specific name for them.
It is called a parallelogram.
rambus square
All quadrilaterals have two pairs of adjacent (ie next to one another) sides. Diagonals intersect at right angles suggest a kite (or square).
A square and a rectangle
There are lots of different quadrilaterals that do not have two pairs of parallel sides: a kite, arrowhead, trapezium, and a shape which has no specific name.
Square and rectangle