A ship travels from point A to point B along a semicircular path, centered at Island X. Then it travels along a straight path from B to C. Which of these graphs best shows the ship's distance from Island X as it moves along its course?

AMC 8 2003 Problem 24

AMC8 2003 年第 24 题

行程问题★★★☆☆

A ship travels from point

A

to point

B

along a semicircular path, centered at Island

X

. Then it travels along a straight path from

B

C

. Which of these graphs best shows the ship's distance from Island

X

as it moves along its course?

一艘船沿着以岛 X 为圆心的半圆形路径从点 A 航行到点 B。然后它沿着直线路径从 B 到 C。下面这些图表中哪一个最能显示当船沿航线行驶时，船与岛 X 的距离变化？

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