Respuesta :
Complement means that the sum of the angles equals 90°.
Let x represent the unknown angle, then
x + 31 = 90
-31 -31
x = 59
Answer: 59°
Complement means that the sum of the angles equals 90°.
Let x represent the unknown angle, then
x + 31 = 90
-31 -31
x = 59
Answer: 59°