Respuesta :

Answer:

  • <HGI=21°

Step-by-step explanation:

As,

GH bisects <FGI

So the two angles <FGH and <HGI are, equal

According to the question,

  • 2x+1=3x-9
  • 3x-2x=1+9
  • x=10

Hence,

<HGI=

  • 3x-9
  • (3×10)-9
  • 30-9
  • 21