Answer:
50° and 130°
Step-by-step explanation:
let one angle be x then the other angle is x - 80
Supplementary angles sum to 180°, thus
x + x - 80 = 180, that is
2x - 80 = 180 ( add 80 to both sides )
2x = 260 ( divide both sides by 2 )
x = 130
The angles are 130° and 130 - 80 = 50°
