Is Quadrilateral a Polygon?

Definition: A quadrilateral is a polygon with 4 sides. A diagonal of a quadrilat- eral is a line segment whose end-points are opposite vertices of the quadrilateral. ... So we can name the quadrilateral as ABCD, or quadrilateral BCDA, or ADCB. Definition: A Trapezoid is a quadrilateral with a pair of parallel sides.

Is a quadrilateral always a polygon?

A polygon cannot have curved sides. Examples of polygons include a triangle, square, rectangle, or any unnamed shape that is closed in, and has straight sides. ... So, a quadrilateral is always a polygon, but a polygon is not always a quadrilateral.

What is a polygon with 4 sides and 4 angles?

A quadrilateral is a polygon that has exactly four sides. (This also means that a quadrilateral has exactly four vertices, and exactly four angles.)

Alexander Ross

Alexander Ross

Gaming, Esports & Interactive Media Writer

Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.