I think the answer to this riddle is Happiness?
The answer is False hope this helps
The reason that they have done this (this is a theory created by Egyptologists) is so the dead pharaoh could symbolically climb the sides of the pyramid, make his way to the sky, and live forever. The pyramid also represented the rays of the sun.
this is more of a personal question, i guess one example would be to study on the subject youre teaching, but like I said, this is more of a decision you would make