I watched in one of the lecture series on YouTube that it is not possible to construct a 20 degree angle using only a compass and ruler; is there a formal proof for this ?
2026-04-18 22:55:40.1776552940
Constructing 20 degree angle using compass
1.5k Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail At
1
60 degrees construction possible by Ruler & Compass. Further angle trisection proved already not possible by Euler.