Line segments UV, WX, and YZ are diameters of the circles with centers A, B, and C, respectively. If YZ = 2, then what is the area of the circle with center A?
A.4π
B.8π
C.9π
D.16π
E.64π
我的答案：
Line segments UV, WX, and YZ are diameters of the circles with centers A, B, and C, respectively. If YZ = 2, then what is the area of the circle with center A?
