Let A be the centre of the circle x^(2)+...

Let A be the centre of the circle `x^(2)+y^(2)-2x-4y-20=0`. Suppose that the tangent at the points B(1,7) and D(4,-2) on the circle meet at the point C. The area of the quadrilateral ABCD is

A

75

B

64

C

56

D

45

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The correct Answer is:

A

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