Sufficient Conditions for a Quadrilateral to be a Parallelogram Class 9th NCERT CBSE RD SHARMA

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In this video I have listed out all the sufficient conditions for a quadrilateral to be a parallelogram which are:-
1- A Quadrilateral is a parallelogram if its opposite sides are equal.
2- A Quadrilateral is a parallelogram if its opposite angles are equal.
3- If the diagonals of a Quadrilateral bisect each other then the quadrilateral is a parallelogram
4- A Quadrilateral is a parallelogram if its one pair of opposite sides are equal and parallel.



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