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.
