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A pendulum 36 inches long swings through an angle of x degrees, and its pointed end travels through a distance of 41 inches before swinging back again, as shown in the figure. Which of the following is closest to the value of x?
B显示答案
· 相关考点
4.5.3 弧长与扇形面积
4.5.3 弧长与扇形面积
以上解析由 考满分老师提供。