Quadrilaterals - Square, Rectangle, Rhombus, Trapezoid ...
(Also see this on Interactive Quadrilaterals). Properties. A quadrilateral has: four sides (edges) four vertices (corners) interior angles that add to 360 degrees:; Try drawing a quadrilateral, and measure the angles.
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, ...
Quadrilateral - definition of quadrilateral by The Free ...
Define quadrilateral. quadrilateral synonyms, quadrilateral pronunciation, quadrilateral translation, English dictionary definition of quadrilateral. quadrilateral n.
Intro to quadrilateral (video) | Shapes | Khan Academy
Learn the term quadrilateral as well as trapezoid, parallelogram, rectangle, rhombus, and square.
Quadrilateral | Define Quadrilateral at Dictionary.com
Quadrilateral definition, having four sides. See more. See more synonyms on Thesaurus.com adjective. having four sides. noun. a plane figure having four sides and four angles.
Quadrilateral | Definition of Quadrilateral by Merriam-Webster
Quadrilateral definition is - a polygon of four sides. How to use quadrilateral in a sentence. a polygon of four sides… See the full definition. SINCE 1828. Menu.
Quadrilateral | Italian fortresses | Britannica.com
Quadrilateral: Quadrilateral, famous combination of four fortresses mutually supporting one another, during the Austrian rule of northern Italy. The four fortified towns were Mantua, Peschiera, Verona, and Legnago, lying between Lombardy and Venetia; the former two were on the Mincio and the latter two on the
Definition of Quadrilateral - Maths Resources
Math explained in easy language, plus puzzles, games, quizzes, videos and worksheets. For K-12 kids, teachers and parents.
Quadrilaterals | Geometry (all content) | Math | 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.
How to Find the Area of a Quadrilateral (with Cheat Sheets)
How to Find the Area of a Quadrilateral. So you've been assigned homework that requires you to find the area of a quadrilateral ... but you don't even know what a quadrilateral is.