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They are geometric figures with four lateral sides (quad means four). Therefore any closed figure with four sides can be called a quadrilateral. The sides of the quadrilateral may be parallel or irregular, equal or unequal, based on which the different types of the quadrilateral are named. Squares and rectangles can be considered particular types of quadrilaterals, as some sides or angles are equal. Due to the differences in shapes, the areas of each quadrilateral may also stay different and this depends on the kind of quadrilateral. There are mainly 6 types of quadrilaterals. Each one of them has particular characteristics.
4 vertices
4 sides
4 angles
Sum of interior angles 360 degree
Trapezium
Parallelogram
Rectangle
Rhombus
Square
Kite
One pair of opposite sides are parallel
Both the diagonals will be of different lengths
Diagonals do not bisect at right triangles
Opposite angles are not equal
A pair of opposite sides are parallel
Non-parallel sides are of equal length
Both of the diagonals are of equal length
Adjacent angles are equal
Opposites are parallel and equal in length
Angles opposite to each other will be equal
Diagonals bisect each other
Diagonalsdivides the parallelogram into 2 congruent triangles
Opposite sides are Equal
Opposite sides are parallel
All angles are right angles
Diagonals bisect each other
Diagonals are of equal length
All sides are equal
The opposite sides are parallel
Opposite angles are equal
Diagonals bisect each other
Diagonals bisect at right angles
All sides are equal
The opposite sides are parallel
All angles are 90°
Diagonals bisect each other
Diagonals bisect at right angles
Diagonals are of equal length
Two pairs of adjacent sides are equal
Diagonals intersect at right angles
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