Quadrilaterals: Properties of Squares, Rhombi, and Trapezoids

Square

A quadrilateral with four equal sides and four right angles.

Rectangle

A quadrilateral with opposite sides that are equal and four right angles.

Rhombus

A quadrilateral with all four sides of equal length and opposite angles that are equal.

Parallelogram

A quadrilateral with opposite sides that are equal and parallel.

Kite

A quadrilateral with two distinct pairs of adjacent sides that are equal.

Trapezoid

A quadrilateral with at least one pair of parallel sides.

Isosceles Trapezoid

A trapezoid with one pair of parallel sides and the non-parallel sides of equal length.

Properties of a Square

Has four right angles, all sides equal, diagonals bisect each other.

Properties of a Rectangle

Has four right angles, opposite sides are equal.

Properties of a Rhombus

All sides are equal, opposite angles are equal, diagonals bisect each other.

Properties of a Parallelogram

Opposite sides are equal and parallel, opposite angles are equal.

Properties of a Kite

One line of symmetry, two pairs of equal adjacent sides.

Properties of a Trapezoid

Only one pair of parallel sides.

Properties of an Isosceles Trapezoid

One pair of parallel sides, one pair of equal sides, and one line of symmetry.