Answer:
40° and 50°
Explanation:
Complementary angles sum to 90°
let x be one angle then x - 10 is the other, their sum is
x + x - 10 = 90
2x - 10 = 90 ( add 10 to both sides )
2x = 100 ( divide both sides by 2 )
x = 50
Then angles are 50° and 50° - 10° = 40°