In Euclidean plane geometry, a quadrilateral is a polygon with four edges (or
sides) and four vertices or corners. Sometimes, the term quadrangle is used, ...
Quadrilateral just means "four sides" (quad means four, lateral means side). A
Quadrilateral has four-sides, it is 2-dimensional (a flat shape), closed (the lines ...
A quadrilateral is a four-sided polygon with four angles. There are many kinds of
quadrilaterals. The five most common types are the parallelogram, the rectangle
A quadrilateral is any four sided figure. Do not assume any additional properties
for a quadrilateral unless you are given additional information.
Formulas for finding the area, perimeter, etc. of a quadrilateral.
The quadrilateral is any 4-sided polygon. But it is the parent of a whole family of
figures, each with their own distinct names and characteristics. See also ...
Learn about quadrilaterals the fun way in this Quadrilateral Shape Shoot
Geometry Math Game.
Quadrilateral definition, having four sides. See more.
Red Quadrilateral. Quadrilaterals are four sided shapes. The most common
include squares and rectangles, but there are loads of others as well. Like
Properties of quadrilaterals, interior angles of quadrilaterals Polygons: Properties