Two points are on opposite sides of a channel. A skew bridge, which has a fixed direction (for instance North East), can be placed anywhere along the channel. Where to place it such that the path from A to B over the bridge is the shortest?
Scroll down for a solution to this problem.
Solution
![](https://mirangu.com/wp-content/uploads/2023/04/SkewBridgeSolution.jpg)