Respuesta :

Answer:

the answer is 51

Step-by-step explanation:

a triangle has 180 degree in total

180-124=56

73+56+x= 180

x= 51

Answer:

51

Step-by-step explanation:

  • Let the angle be x
  • Sum of two interior angles=exterior angle

➝x+73=124

➝x=124-73

➝x=51