Respuesta :

mhanifa

Answer:

Angle between two tangents or two secants is the half of the difference of intercepted arcs.

#1

  • x = 1/2(250° - (360° - 250°)) = 1/2(250° - 110°) = 1/2(140°) = 70°

#2

  • 50° = 1/2(170° - x)
  • 100° = 170° - x
  • x = 170° - 100°
  • x = 70°