I have just a large rope and I want to build a right angle.
How can I do ?
Build a ring with the rope, with 12 evenly spaced knots, span in a triangular shape
with sides (3,4,5).
This triangle is a right triangle as 32
(reverse of Pythagora theorem) !
The given values are the smallest possible, but we can get other values.
Find all Pyhtagorean triples with maximum value up to 20