Brainteaser

Physics Girl: Can you solve this pier puzzle? (YouTube)

“Can you figure it out? There are two towns near a shore. They want to build a pier on the shoreline with a path connecting the pier to each town. They want to use as little material as possible, so they need to put the pier in a location on the shoreline that minimizes the total length of both paths added together. Where should they put the pier?”

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