Respuesta :

Answer:

1) = 90=acute angle   2)103=acute angle

Step-by-step explanation:

SDCInfinity

Answer:

1.) x = 90 (Right angle)

2.) x = 103 (Obtuse angle)

Step-by-step explanation:

  • All triangles' angles have a sum of 180°.
  • <90° = Acute, 90° = Right, >90° = Obtuse

[tex]1.)\\x+48+42=180\\x+90=180\\x=90\\\\2.)\\x+45+32=180\\x+77=180\\x=103[/tex]