Hermit, Robber and Bear

Author:
Denis
In the forest lived Hermit, Robber and Bear. People build three highways across the forest, but all of them choose to stay in the wood between roads. Hermit is looking for place with minimum noise, Robber - with the same distance to every road and Bear wish to live in the very center of wood. Randomize triangles and try to find best place for every character!