Respuesta :

mhanifa

Answer:

82.8°

Step-by-step explanation:

Sum of angles = 180°

  • 2x+3x+42°= 180°
  • 5x+42=180°
  • 5x= 180°-42°
  • 5x= 138°
  • x= 138°/5
  • x= 27.6°

2x= 2*27.6°= 55.2°

3x= 3*27.6°= 82.8°

Largest angle= 82.8°