quadrilateral Definition
a four-sided polygon with four angles.
Using quadrilateral: Examples
Take a moment to familiarize yourself with how "quadrilateral" can be used in various situations through the following examples!
Example
A square is a type of quadrilateral.
Example
A kite is also a type of quadrilateral.
Example
A rectangle is a quadrilateral with four right angles.
quadrilateral Synonyms and Antonyms
Synonyms for quadrilateral
- tetragon
- quadrangle
- quadrangular figure
Phrases with quadrilateral
a quadrilateral whose interior angles are all less than 180 degrees
Example
A parallelogram is a convex quadrilateral.
a quadrilateral whose interior angles are not all less than 180 degrees
Example
A star-shaped polygon is a concave quadrilateral.
a quadrilateral with at least one pair of parallel sides
Example
A parallelogram is a special type of trapezoid.
Origins of quadrilateral
from Latin 'quadri-' meaning 'four' and 'latus' meaning 'side'
Summary: quadrilateral in Brief
A 'quadrilateral' [kwädrəˈlatərəl] is a four-sided polygon with four angles. It includes shapes like squares, rectangles, and kites. Quadrilaterals can be classified as convex or concave, depending on the measure of their interior angles. A trapezoid is a special type of quadrilateral with at least one pair of parallel sides.
