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What is Quadrilateral? Properties, Types and Examples of Quadrilaterals
In geometry, a quadrilateral is a type of polygon that has four sides and four angles. There are different types of quadrilaterals based on their different properties. Learn more about quadrilaterals with examples.

Quadrilateral - Wikipedia
In geometry a quadrilateral is a four-sided polygon, having four edges (sides) and four corners (vertices). The word is derived from the Latin words quadri, a variant of four, and latus, meaning "side".

Quadrilaterals - Square, Rectangle, Rhombus, Trapezoid, Parallelogram
A Quadrilateral has four-sides, it is 2-dimensional (a flat shape), closed (the lines join up), and has straight sides. A quadrilateral has: Try drawing a quadrilateral, and measure the angles. They should add to 360°. There are special types of quadrilateral: Some types are also included in the definition of other types!

Quadrilateral – Definition, Properties, Types, Formulas, Examples
A quadrilateral is a flat geometric shape having four straight sides and four vertices. It is a type of polygon. The word ‘quadrilateral’ is derived from the Latin words ‘quadri’, meaning ‘four’, and ‘latus’, meaning ‘side’. In a quadrilateral ABCD, find ∠BCD, if ∠ABC = 80°, ∠CDA = 110°, and ∠DAB = 100°.

Quadrilaterals - Definition | Meaning | Types | Quadrilateral Shape
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.

What is Quadrilateral? Definition, Properties, Types, Examples
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.

All About Quadrilaterals - Definition & Examples | DreamBox
1. A quadrilateral can be regular or irregular. 2. A regular quadrilateral has to have 4 equal sides and 4 equal angles, and its diagonals must bisect each other — a square meets these conditions; therefore, it’s a regular quadrilateral. 3. An irregular quadrilateral has 4 sides and angles, but they do not all have to be equal.

Quadrilateral - Math Steps, Definition, Examples & Questions
Quadrilaterals are polygons with four straight sides, four angles, and four vertices. Here are the special types of quadrilaterals. To help remember the properties of quadrilaterals and how they relate to one another. You can use a Venn diagram. Step-by-step guide: Types of Quadrilaterals. Diagonals: Quadrilaterals have two diagonals.

Quadrilateral Shapes and Facts - Science Notes and Projects
In geometry, a quadrilateral is a two-dimensional closed shape or polygon that has four straight sides, four corners or vertices, and four interior angles. The sum of the interior angles is 360 degrees.

Types of Quadrilaterals - Definition, and Their Properties - BYJU'S
There are six basic types of quadrilaterals. They are: It is a quadrilateral with one pair of opposite parallel sides. In the trapezium, ABCD, side AB is parallel to side CD. It is a quadrilateral with two pairs of parallel sides. The opposite sides are parallel and equal in length. The opposite angles are equal in measure.