quadrilaterals
Synonyms
Examples
A hierarchical taxonomy of quadrilaterals is illustrated by the figure to the right.
All non-self-crossing quadrilaterals tile the plane by repeated rotation around the midpoints of their edges.
Because the Saturn used quadrilaterals, rather than standard triangles, as its basic polygon, cross platform games had to be completely rewritten to see a Saturn port.
Concave quadrilaterals In a concave quadrilateral, one interior angle is bigger than 180° and one of the two diagonals lies outside the quadrilateral.
Determining congruence of polygons The orange and green quadrilaterals are congruent; the blue is not congruent to them.
Convex quadrilaterals Euler diagram of some types of simple quadrilaterals.