Kite
Two distinct pairs of adjacent sides that are congruent
One pair of opposite angles are congruent
Diagonals intersect at right angles
One diagonal bisects the other at a 90-degree angle
Trapezium
It has one pair of parallel sides
The other pair of non-parallel sides can be of different lengths
The angles at the base are supplementary (add up to 180 degrees)
Parallelogram
Opposite sides are parallel and equal in length
Opposite angles are equal
Consecutive angles are supplementary (add up to 180 degrees)
Diagonals bisect each other
Square
All four sides are equal in length
All angles are right angles (90 degrees)
Diagonals are equal in length and bisect each other at right angles
It is a special type of rectangle and rhombus
Rectangle
Opposite sides are equal in length and parallel
All angles are right angles (90 degrees)
Diagonals are equal in length and bisect each other
Rhombus
All four sides are equal in length
Opposite angles are equal
Diagonals bisect each other at right angles
It is a special type of parallelogram