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`. Let B(1, 7) and `D(4, -2)` be two points on the circle such that tangents at B and D meet at C. The area of the quadrilateral ABCD is

150sq units

50 sq units

75 sq units

70 sq units

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

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

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From a point P on the normal y=x+c of the circle x^2+y^2-2x-4y+5-lambda^2-0, two tangents are drawn to the same circle touching it at point Ba n dC . If the area of quadrilateral O B P C (where O is the center of the circle) is 36 sq. units, find the possible values of lambdadot It is given that point P is at distance |lambda|(sqrt(2)-1) from the circle.

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