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Two tangents to the circle x^2 + y^2 = 4...

Two tangents to the circle `x^2 + y^2 = 4` at the points A and B meet at P (- 4, 0). Then the area of the quadrilateral PAOB, O being the origin, is :

A

4

B

`4 sqrt(3)`

C

`6 sqrt(2)`

D

`2 sqrt(3)`

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The correct Answer is:
B
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