Difference between revisions of "Quadrilateral"

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A parallelogram is a quadrilateral with two pairs of [[parallel]] [[edge]]s.
 
A parallelogram is a quadrilateral with two pairs of [[parallel]] [[edge]]s.
 
===Rhombus===
 
===Rhombus===
{{main|Rhombus}
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{{main|Rhombus}}
 
A rhombus is an [[equilateral]] parallelogram.
 
A rhombus is an [[equilateral]] parallelogram.
 
===Rectangle===
 
===Rectangle===

Revision as of 19:18, 6 October 2024

Definition

A quadrilateral is a four-sided polygon. Some special quadrilaterals include squares, rectangles, rhombi, parallelograms, trapezoids, kites, and cyclic quadrilaterals.

Types of quadrilaterals

Kite

Main article: Kite

A kite is a quadrilateral with two pairs of adjacent congruent edges.

Cyclic Quadrilateral

Main article: Cyclic quadrilateral

A cyclic quadrilateral is a quadrilateral that is cyclic.

Parallelogram

Main article: Parallelogram

A parallelogram is a quadrilateral with two pairs of parallel edges.

Rhombus

Main article: Rhombus

A rhombus is an equilateral parallelogram.

Rectangle

Main article: Rectangle

A rectangle is an equiangular parallelogram.

Square

Main article: Square (geometry)

A square is any figure that is both a rectangle and a rhombus.

Introductory topics

Resources

Books

Intermediate topics

Resources

Books

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