(In reply to
Simple Solution by Jer)
Jer starts with the pretty cool fact: 3^3 + 4^3 + 5^3 = 6^3, which seems too nice to be simply coincidental, but I guess it is. The observation was first attributed to Plato. Also - this picture might suggest itself as the solution to a related puzzle.
Edited on January 26, 2021, 3:38 am