Question

✨In figure 9.25 diagonals AC and BD of a 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 ll CB or ABCD is a parallelogram✨
[
$hint = from \: d \: and \: b \: draw \: a \: perpendicular \: to \: ac$

Answer 1

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