In the given figure diagonals AC and BD the of quadrilateral ABCD intersect at O such that OB =OD. If AB =CD, then show that: (i) ar (DOC) =ar (AOB) (ii) ar (DCB) =ar (ACB) (iii) DA||CB or ABCD is a parallelogram

In the given figure diagonals AC and BD the of quadrilateral ABCD inte

1.	In the given figure diagonals AC and BD the of quadrilateral ABCD intersect at O such that OB =OD. If AB =CD, then show that: (i) ar (DOC) =ar (AOB) (ii) ar (DCB) =ar (ACB) (iii) DA\|\|CB or ABCD is a parallelogram
Answer» In the given figure diagonals AC and BD the of quadrilateral ABCD intersect at O such that OB =OD. If AB =CD, then show that: (i) ar (DOC) =ar (AOB) (ii) ar (DCB) =ar (ACB) (iii) DA\|\|CB or ABCD is a parallelogram