Parallelogram - Opposite angles are congruent. - Opposite sides are of equal length. - Opposite sides are parallel. - The diagonals bisect each other.
Kite - Adjecent sides are equal. - Opposite angles are congruent. - The diagonals cross/bisect each other at 90 degrees.
Trapezium - One pair of opposite sides are parallel.
SQUARE - A square is a regular quadrilateral. - All angles are equal to 90 degrees. - All sides are of equal length. - Opposite sides are parallel. - The diagonals bisect each other at 90 degrees. - The diagonals are of equal length.
Rectangle - A rectangle is a quadrilateral. - All angles are equal to 90 degrees. - The opposite sides are equal and parallel. - The diagonals are of equal length.
Rhombus - A rhombus is a quadrilateral. - Opposite angles are congruent. - All sides are of equal length. - Opposite sides are parallel. - The diagonals bisect each other at 90 degrees.
WHAT IS A QUADRILATERAL? A quadrilateral is a polygon which has 4 sides and angles and vertexes. A square and rectangle are the regular quadrilaterals.
HOW MANY QUADRILATERALS ARE THERE? There are many but we have learnt about eight - Square, Rectangle, Kite, Trapezium, Trapezoid and Isosceles Trapezoid.