Question

4. In the given figure. O is any point inside a parallelogram ABCD.
Prove that:
1(i) ar(/_\OAB) + ar (/_\OCD) = ar(||gm ABCD)

ii) ar(/_\OAD) + ar(/_\OBC) = ar (||gm ABCD)
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Answer 1

Answer:

see the image

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