Note: This site uses the inclusive definition of trapezoid.
Quadrilateral Family

Let's take a look at how all of the quadrilaterals are related to one another.
You will notice that the "kite" is included in our chart. The kite is an additional example of how varied the members of the quadrilateral family can be.

QuadFamilyChart


Now, let's look more closely at each of the quadrilaterals.

quadguy
 
kiteguy

trapguy
 
trapisosguy

paraguy
 
rectangleguy

rhombusguy
 
squareguy

For more properties of quadrilaterals, see the high school Geometry course section.

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