Relax

Respuesta :

  • Complementary angles add to 90 degrees.
  • Supplementary angles add to 180 degrees.
  • Vertical angles are equal.

So, the answers are (in degrees):

6) 47, 137, 43

7) 49, 131, 49

8) 18, 72, 18

9) 13, 77, 167