Square – is a four sided shape that has equal sides and each angle is 90°.

Rectangle – is a four sided shape where every angle is 90°.

Parallelogram – is a four sided shape where opposite sides are equal and parallel.

Rhombus – is a four sided shape that has equal sides.

Trapezium – is a four sided shape where two sides are parallel,side lengths and angles are not equal.

Isosceles Trapezium – is a four sided shape where 2 sides are parallel and base angles are equal,non parallel sides are equal lengths.

Kite – is a four sided shape with two pairs of adjacent (touching), congruent (equal-length) sides.

Irregular Quadrilaterals – is a four sided shape where no side are equal in length and no internal angles are the same.