英语智力问答题：两个男人之间的距离

Two men, starting at the same point, walk in opposite directions for 4 meters, turn left and walk another 3 meters. What is the distance between them?
2 meters
6 meters
10 meters
12.5 meters
14 meters

译文：两个男人,开始在同一点,走在相反的方向4米,左转走另一个3米。他们之间的距离是什么?
答案：这道题实际上是个几何题，已知直角三角形的两条直角边，求斜边的长。利用勾股定理就可以得到答案是10米。