Respuesta :

Answer:

83°

Step-by-step explanation:

Set (4x+3)=(5x-17)

x=20

Substitute x in (5x-17)

=83

Answer:

B =83

Step-by-step explanation:

5x-4x=4x+3

5x-4x=17+3

x=20

Again

for angle CGF

5x-17

5×20-17

100-17

83