Answers

2016-03-09T16:56:29+05:30
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2016-03-09T18:01:27+05:30
In triangles POA  and BOR
∠ POA = ∠BOR (Vertically opp angles)
∠BRO = ∠OPA ( alternate interior angles )
OP = OR (diagonals bisect each other)

By ASA congruence property
ΔPOA is congruence to ΔBOR
Therefore, ar(ΔPOR) = ar(ΔBOR)
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