what are the properties of quadrilaterals?

This table shows the properties of different kinds ofquadrilaterals.

Square

• A square is a regular quadrilateral.
• All angles are equal (90).
• All sides are of equal length.
• Opposite sides are parallel.
• The diagonals bisect each other at 90.
• The diagonals are equal in length.

Rhombus

• Diagonally opposite angles are equal.
• All sides are of equal lengths.
• Opposite sides are parallel.
• The diagonals bisect each other at 90.

Rectangle

• All angles are equal (90).
• Opposite sides are of equal length.
• The diagonals are equal in length.

Parallelogram

• Diagonally opposite angles are equal.
• Opposite sides are of equal length.
• Opposite sides are parallel.
• The diagonals bisect each other.

Trapezium

• One pair of opposite sides is parallel.

Kite

• Two pairs of sides are of equal length.
• One pair of diagonally opposite angles is equal.
• Only one diagonal is bisected by the other.
• The diagonals cross at 90.