Question 475733
(180 -x) + 50 = 4(90 - x)
180 - x + 50 = 360 - 4x
230 - x = 360 - 4x
3x = 130
x = 43.3 degrees.
46.7 degrees = complement.
136.7 degrees = supplement.
46.7(4) = 186.8 - 50 = 136.8 (approx 136.7 degrees).
Cleomenius.