A regular a-gon, a regular b-gon, and a regular c-gon fit perfectly around a point. What is the largest possible value of c?
a-6, b-20, c-42, d-50, e-100
So far, I plugged in possible values of C so then I can just guess and check in a worse case scenario.
6-gon = 120 degrees
42=175
50=176
100=178