Quadrilaterals

Let’s take a closer look at the quadrilaterals next. Some quadrilaterals have their own designations.

A quadrilateral is a non-intersecting, closed polygonal chain of four segment lines
A trapezium is a rectangle whose two sides are parallel.
A parallelogram is a rectangle with two pairs of parallel sides.
A rectangle is a parallelogram with one right angle
A rhombus or diamond is a parallelogram with two adjacent sides of equal length.
A square can be defined in two ways:
- 1) A rectangle with two adjacent sides of equal length.
- 2) A rhombus with one right angle.