Respuesta :

kiddddooo

Answer

90*

Step-by-step explanation:

Answer:

s = 30

Step-by-step explanation:

The three angles lie on a line.

The sum of angles on a line are supplementary, meaning they add up to 180 degrees.

  • s + 1 + 90 + 2s - 1 = 180
  • 3s = 90
  • s = 30