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Wednesday, 8 november 2017

bridges and geometry

Proposed by catanedelcuOffline
(9 comments)1.459 times displayed

 Avem doua orase aflate la o distanta oarecare unul fata de celalalt si care sunt despartite de un râu,  ca in desen.  Intre orase se va construi un drum si un pod peste rau, pod care trebuie sa fie perpendicular pe malurile raului. Cum aflam unde este punctul de pe malul raului unde se va construi podul astfel incat lungimea totala a drumului sa fie minima ? 


Tags: geometry
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