# Parallelograms

A parallelogram is a quadrilateral that has parallel sides in pairs.

A parallelogram has two diagonals that intersect at their midpoints.

The sum of the interior angles of a parallelogram is equal to 360°.

The area of a parallelogram is equal to its base multiplied by its height.

## Types of Parallelograms

#### Square

A square has 4 equal sides and 4 right angles.

The diagonals of a square are equal, perpendicular and the bisectors of their angles.

#### Rectangle

A rectangle has equal opposite sides and 4 right angles.

The diagonals of a rectangle are equal.

#### Rhombus

A rhombus has equal opposite angles and four equal sides.

The diagonals of a rhombus are perpendicular and bisectors of the angles.

#### Rhomboid

A rhomboid has equal sides which are parallel to the opposite sides.

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