Let C1 and C2 be the centres of the circles x2 + y2 – 2x – 2y � – McqOptions

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1.	Let C1 and C2 be the centres of the circles x2 + y2 – 2x – 2y – 2 = 0 and x2 + y2 – 6x – 6y + 14 = 0 respectively. If P and Q are the points of intersection of these circles, then the area (in sq units) of the quadrilateral PC1 QC2 is
A.	8
B.	4
C.	6
D.	9
Answer» C. 6

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