Path To CastleMania
What is the minimum length (in meters) of 1 of the planks that are needed? Give your answer to 2 decimal places.
Please add your solution to explain how Pythagoras crossed the moat.
1) Pythagoras didn't swim or used any nails or Glue to attach the planks.
2) Neglect the Planks width and thickness. They are also strong enough to sustain any weight.