Please ...... Help its geometrical question I am weak in it
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PQRS IS A PARALLELOGRAM.
PS II QR
SP IS PRODUCED TO T SO, TS II QR
SO, TPRQ IS A PARALLELOGRAM.
NOW, TQR AND PQR ARE ON THE SAME BASE QR AND TP
SO ar(TQR) = ar (PQR)
SUBTRACTING ar (QUR) FROM BOTH SIDES WE GET,
ar(TQR) - ar (QUR) = ar (PQR)-ar(QUR)
ar(TQU) = ar (PUR)
HENCE PROVED
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