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O toppr, Quadrilaterals, A Polygon with 4 sides is called as quadrilateral., Sum of all interior angles of quadrilateral = (4-2)x180°= 360°, Types Of Quadrilaterals, 1 Square, • All sides are equal., • All angles are equal to 90°., • Diagonals are equal., • Diagonals are perpendicular bisectors of each other., 2 Rectangle, • Opposte sides are equal., • All angles are equal to 90°., • Diagonals are of equal length., • Diagonals are bisectors of each other., 3 Rhombus, • All sides are equal., • Opposite angles are equal., • Adjacent angles are supplementary., • Diagonals are perpendicular bisectors of each, other., A, B., 4 Parallelogram, • Opposite sides are equal and parallel., • Opposite angles are equal., • Adjacent angles are supplementary., • Diagonals bisect each other., 5 Trapezium, • One pair of opposite sides is parallel., • Sum of adjacent angles on non-parallel sides of, trapezium is 180°., 6 Kite, • Pair of adjacent sides are equal., • One pair of opposite angles is equal., • Diagonals are perpendicular to each other., • The longer diagonal bisects shorter diagonal.