Convert 2pi^c /9 into degrees

Question

= 2pi^c/9 * pi/180

Answer 1

π radians = 180°
(2π^c/9) = x°
just form the ratio ....

x/180 = (2π^c/9)/π
x = 180(2π^c/9)/π
= 40 π^(c-1)