Two men, starting at the same point, walk in opposite directions for 4 meters, turn left and walk another 3 meters. What is the

admin2013-12-21  28

问题 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?

选项

答案10m

解析 两人的路线可看作两个直角边边长为3米和4米的直角三角形,这时他们之间的距离是两个三角形斜边之和,由斜边边长的平方等于两条直角边边长平方之和可求出距离为10米。
转载请注明原文地址:https://kaotiyun.com/show/9eVK777K
0

最新回复(0)