Answer:
Angle A is 22.5° and angle B is 67.5°
Step-by-step explanation:
Take two angles:
Angle A and angle B
Let angle A be x°
So angle B will be 3x°
Complementary angles add up to 90°
So x° + 3x° = 90°
4x° = 90°
x° = 22.5°
3x° = 67.5°
So angle A is 22.5° and angle B is 67.5°