Task 655
Task 655: development task in emrekuruu/math-openenv, an RL environment on the Hugging Face Hub. In triangle $ABC$, $AB = 5$, $BC = 8$, and the length of median $AM$ is 4. Find $AC$.
The task
In triangle $ABC$, $AB = 5$, $BC = 8$, and the length of median $AM$ is 4. Find $AC$.