GMAT 考满分题库

Magoosh - 数学PS - 379
GMAT、gmat题库、gmat模考、gmat考满分

In the diagram above, angle C = 90º and AC = BC. Point M is the midpoint of AB. Arc AXB has its center at C, and passes through A and B. Arc AYB has its center at M and passes through A and B. The shaded region between the two arcs is called a "lune." What is the ratio of the area of the lune to the area of triangle ABC?
  • A1
  • B$$\frac{\pi}{2}$$
  • C$$\frac{\pi}{3}$$
  • D$$\frac{3\pi}{8}$$
  • E$$\frac{4\pi}{9}$$
显示答案
正确答案: A

讨论题目 或 发起提问

|

题目讨论

  • 按热度
  • 按顺序

最新提问