ABCD is quadrilateral inscribed in a circle (radius = r). The bisectors of the ∠DAB and ∠BCD intersect the circle at X and Y, respectively. What is the length of the straight line XY?

ABCD is quadrilateral inscribed in a circle (radius = r). The bisector

1.	ABCD is quadrilateral inscribed in a circle (radius = r). The bisectors of the ∠DAB and ∠BCD intersect the circle at X and Y, respectively. What is the length of the straight line XY?
A.	πr2
B.	2r
C.	(r + 2)
D.	πr2/2
Answer» C. (r + 2)

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ABCD is quadrilateral inscribed in a circle (radius = r). The bisectors of the ∠DAB and ∠BCD intersect the circle at X and Y, respectively. What is the length of the straight line XY?

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