Consider a pyramid with square base PQSR and vertex O. Given that all the edges are of equal length of 20m, find the shortest distance from P to the midpoint of OR along the outer surface of the pyramid.
Just to clarify the base of the pyramid is such that P is opposite R diagonally.
Any tips?
I've calculated multiple sensible routes which do not give the correct solution.
Best Answer
Unfold the pyramid and use the pythagoras theorem: