1.

In the figure, ABCD is a unit square. A circle is drawn with centre O on the extended line CD and passing through A . If the diagonal ACis tangent to the circle, then the area of the shaded region is

Answer»

In the figure, ABCD is a unit square. A circle is drawn with centre O on the extended line CD and passing through A . If the diagonal ACis tangent to the circle, then the area of the shaded region is



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