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P and Q are two point on the line x-y+1=...

P and Q are two point on the line `x-y+1=0`, if O is the origin and ` bar (OP)= bar (OQ)=5` unit, find the area of `Delta OPQ`.

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The correct Answer is:
`(7)/(2)` sq unit
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CHHAYA PUBLICATION-MISCELLANEOUS EXAMPLES-COORDINATE GEOMETRY (TWO DIMENSIONAL COORDINATE GEOMETRY)
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