Say one angel is X
if the other is 6 more than twice it means 6 + twice X
6+2X
Complementary qngles mean that the sum of them = 90°
X+6+2X = 90°
3X + 6 = 90°
3X = 90 -6
3X = 84
X = 84/3
X = 28
Therefore,
The 1st angle i.e, X = 28°
The 2nd angle i.e, 6+ 2X = 6+ 2×28 = 6+56= 62°