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Quadrilateral - Wikipedia


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, ...

Quadrilaterals - Square, Rectangle, Rhombus, Trapezoid - Math is Fun


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 ...

Intro to quadrilateral | Quadrilaterals | Shapes | Basic geometry ...


the rhombus is a slanted square and the parallelogram is a slanted rectangle. they both are quadrilateral. The term 'quadrilateral' means 4 sides. so a square, ...

Quadrilateral types | Quadrilaterals | Shapes | Basic geometry | Khan ...


Identify quadrilaterals based on pictures or attributes. Quadrilaterals included are parallelograms, rhombuses, rectangles, and squares.

Shape: Quadrilateral | Think Math!


Quadrilateral. A quadrilateral is a polygon that has exactly four sides. (This also means that a quadrilateral has exactly four vertices, and exactly four angles.) ...

Polygons - Quadrilaterals - First Glance - Math.com


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  ...

Quadrilateral -- from Wolfram MathWorld


(If the points do not lie in a plane, the quadrilateral is called a skew quadrilateral.) There are three topological types of quadrilaterals (Wenninger 1983, p.

The Quadrilateral Family - Regents Exam Prep Center


A quadrilateral is any four sided figure. Do not assume any additional properties for a quadrilateral unless you are given additional information.

Classification of Quadrilaterals


Classification of Quadrilaterals. Quadrilateral is a geometric shape that consists of four points (vertices) sequentially joined by straight line segments (sides).

5.2 Quadrilaterals - The Geometry Center


5.2 Quadrilaterals. The following formulas give the area of a general quadrilateral (see Figure 1, left, for the notation). Figure 1: Left: notation for a general ...

A quadrilateral is any two dimensional, four-sided shape. Its sides must all be straight. Squares, rectangles and parallelograms are all different kinds of quadrilaterals.
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Quadrilaterals | Geometry | Khan Academy


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.

Quadrilateral properties | Quadrilaterals | Shapes | Basic geometry ...


Learn about the properties of quadrilaterals, parallelograms, trapezoids, rhombuses, rectangles, and squares.

Quadrilateral angles | Polygons | Geometry foundations | High ...


Find missing angle measures in quadrilaterals. ... Polygons. Quadrilateral angles. Find missing angle measures in quadrilaterals. Problem. What is the value of ...