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A. \(\dfrac{\pi}4\)
B. \(\dfrac{\pi}2\)
C. \(\pi\)
D. \(2\pi\)
E. \(4\pi\)
[spoiler]OA=D[/spoiler]
Source: Princeton Review
In the figure above, if \(MN = 2,\) then the area of the circle with the center \(O\) is
A. \(\dfrac{\pi}4\)
B. \(\dfrac{\pi}2\)
C. \(\pi\)
D. \(2\pi\)
E. \(4\pi\)
[spoiler]OA=D[/spoiler]
Source: Princeton Review
A. \(\dfrac{\pi}4\)
B. \(\dfrac{\pi}2\)
C. \(\pi\)
D. \(2\pi\)
E. \(4\pi\)
[spoiler]OA=D[/spoiler]
Source: Princeton Review
