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 ...
Sal introduces the term quadrilateral as well as trapezoid, parallelogram,
rectangle, rhombus, and square.
Quadrilaterals only have one side more than triangles, but this opens up an
entire new world with a huge variety of quadrilateral types. Learn about it here.
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
Learn about quadrilaterals the fun way in this Quadrilateral Shape Shoot
Geometry Math Game.
Classification of Quadrilaterals. Quadrilateral is a geometric shape that consists
of four points (vertices) sequentially joined by straight line segments (sides).
Formulas for finding the area, perimeter, etc. of a quadrilateral.
There are many different kinds of quadrilaterals, but all have several things in
common: all of them have four sides, are coplanar, have two diagonals, and the ...
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 ...