Quadrilateral Facts - Square, Rectangle, Parallelogram, Rhombus & Trapezoid Information

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Quadrilateral Facts - Square, Rectangle, Parallelogram, Rhombus & Trapezoid Information Quadrilateral Facts

Check out our quadrilateral facts and learn some interesting information about squares, rectangles, parallelograms, trapezoids, rhombus and more. Find out what they look like and what the differences are between them.

Read on and enjoy our quadrilateral facts and trivia before taking a look at all our other interesting information devoted to the wonderful world of geometry.

A quadrilateral is a polygon with 4 sides and 4 corners.
The word ‘quadrilateral’ comes from ‘quad’ meaning ‘4’ and ‘lateral’ meaning ‘of sides’.
The interior angles of quadrilaterals add to 360 degrees.
Any quadrilateral with 4 right angles is a rectangle.
A quadrilateral with 4 right angles and 4 equal length sides is a square.
The area of a square is equal to the length of one side to the power of two (length squared).
The perimeter of a square is 4 times the length of one side.
Quadrilaterals with 2 sets of parallel side are called parallelograms.
A rhombus is a quadrilateral with four sides of the same length. A diamond shape is a good example of a rhombus.
A convex (outward) quadrilateral with one pair of parallel sides is known as a trapezoid in the US and a trapezium in other parts of the world. In both instances it comes from a Greek word meaning ‘a little table’.
A kite quadrilateral features 2 pairs of adjacent sides that are of equal length (much like a kite you can fly in the sky).
Check out our pictures of shapes.

Examples of quadrilaterals