Respuesta :
Hey! Hope this helps: Angles of a triangle add up to 180°, so doing the equation [tex]180-angle1-angle2=angle3[/tex] and plugging in your numbers, you get 180 - 28 - 37 = 115°.
It would be 115 because you do 28+37 which equals 65. The you do 180-65=115.