Respuesta :

lacampanella

Answer:

10

Step-by-step explanation:

Complementary angles add to 90 degrees

x+80=90

x=10

mathstudent55

Answer:

10°

Step-by-step explanation:

The measures of complementary angles add to 90 deg.

Let x be the measure of the complementary angle.

x + 80 = 90

Subtract 80 from both sides.

x = 10

Answer: 10°