Question 498473
Actually, you were on the right track, what you described are the correct ratios.
A x
B 2x
C 3x
6x = 180
x = 30 degrees, the smallest angle.
2x = 60 degrees, the middle angle.
3x = 90 degrees, the largest angle.
30 + 60- + 90 = 180 degrees.
Cleomenius.