Respuesta :

Step-by-step explanation:

#6

Use of segment addition, sum of the small segments make full segment.

a)

  • g + 52 = 80
  • g = 80 - 52
  • h = 28

b)

  • 5*3 + x = 19
  • 15 + x = 19
  • x = 19 - 15
  • x = 4

#7 is already answered, please check your previous questions