Respuesta :

Answer:

  24°

Step-by-step explanation:

Arc FG measures 72°, so that is the value of 3x+3:

  3x +3 = 72°

  x +1 = 24°

  x +2 = 25° = mArc RZ

Then angle I is half the difference of arcs FG and RZ. It will be ...

  ∠I = (72° -25°)/2 = 47°/2 = 23.5°

The closest answer value is 24°.