On the xy-coordinate plane, points A and B both lie on the circumferen – McqOptions

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1.	On the xy-coordinate plane, points A and B both lie on the circumference of a circle whose center is O, and the length of AB equals the circle's diameter. If the (x,y) coordinates of O are (2,1) and the (x,y) coordinates of B are (4,6), what are the (x,y) coordinates of A?
A.	(3, 3/2)
B.	(1, 2/2)
C.	(0, -4)
D.	(2/2, 1)
Answer» D. (2/2, 1)

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