Question 311973
let angle C be x deg.
Angle A =4x deg
Angle B = x+45 deg
.
The sum of all angles = 180 deg.
x+4x+x+45=180
6x+45=180
6x=135
x=22.5 deg = angle C
Angle A = 4x = 90deg
Angle B= 22.5 + 45 = 67.5 deg