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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 ...

Identifying quadrilaterals such as kites, trapezoids, parallelograms, rhombuses, rectangles, and squares by line and angle type.

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 ...

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

Polygons - Quadrilaterals - First Glance - Math.com

www.math.com/school/subject3/lessons/S3U2L3GL.html

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  ...

The Quadrilateral Family - Regents Exam Prep Center

Formulas for finding the area, perimeter, etc. of a quadrilateral.

Quadrilateral Shapes - Geometry: Math Games - Sheppard Software

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 ...

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.

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.