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1. Dictionary

   Quad·ri·lat·er·al

   /ˌkwädrəˈladər(ə)l/

   

   noun

   • 1. a four-sided figure.

   adjective

   • 1. having four straight sides.

   Word Origin early 17th century: from Latin quadrilaterus (from quadri- ‘four’ + latus, later- ‘side’) + -al.

   Scrabble Points: 23

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2. www.splashlearn.com › math-vocabulary › geometryWhat is Quadrilateral? Definition, Properties, Types, Examples

   www.splashlearn.com › math-vocabulary › geometry

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   A quadrilateral is a polygon having four sides, four angles, and four vertices. The word ‘quadrilateral’ is derived from the Latin words ‘quadri,’ which means four, and ‘latus’, which means side. The above image is an example of a quadrilateral.

3. www.dictionary.com › browse › quadrilateralQUADRILATERAL Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › quadrilateral

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   noun. a plane figure having four sides and four angles. something of this form. Geometry. a figure formed by four straight lines that have six points of intersection. a polygon with four sides. the space enclosed between and defended by four fortresses. quadrilateral. / ˌkwɒdrɪˈlætərəl /.

4. www.cuemath.com › geometry › quadrilateralsQuadrilaterals - Definition | Meaning | Types | Quadrilateral ...

   www.cuemath.com › geometry › quadrilaterals

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   A quadrilateral is a closed shape that is formed by joining four points among which any three points are non-collinear. In simple words, a quadrilateral is a polygon with 4 sides, 4 angles, and 4 vertices.

5. www.khanacademy.org › math › geometry-homeQuadrilaterals | Geometry (all content) | Math | Khan Academy

   www.khanacademy.org › math › geometry-home

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   Geometry (all content) Unit 5: Quadrilaterals. About this unit. 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 types. Learn. Intro to quadrilateral. Right angles in shapes (informal definition) Identifying quadrilaterals.

6. www.mathsisfun.com › quadrilateralsQuadrilaterals - Square, Rectangle, Rhombus, Trapezoid ...

   www.mathsisfun.com › quadrilaterals

   • Cached

   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 join up), and has straight sides.

7. dictionary.cambridge.org › us › dictionaryQUADRILATERAL definition | Cambridge English Dictionary

   dictionary.cambridge.org › us › dictionary

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   QUADRILATERAL definition | Cambridge English Dictionary. Meaning of quadrilateral in English. quadrilateral. noun [ C ] mathematics specialized us / ˌkwɑː.drəˈlæt̬.ɚ. ə l / uk / ˌkwɒd.rɪˈlæt. ə r. ə l / Add to word list. a flat shape with four straight sides: Squares and rectangles are quadrilaterals. SMART Vocabulary: related words and phrases.

8. dictionary.cambridge.org › dictionary › englishQUADRILATERAL | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   a flat shape with four straight sides: Squares and rectangles are quadrilaterals. SMART Vocabulary: related words and phrases. Geometrical shapes. -cornered. circularly. congruently. conic. crescent. cylindrically. ovally. ovoid. parallelogram. polyhedron. polytope. prism. pyramid. rectangle. rectangularly. rhombus. semicircle. three-dimensional.