Respuesta :

zexius
All triangles add up to 180, so if you equate the problem to 180 degrees, you should be able to solve for x.

x + 66 + x + 86 + 50 = 180

2x + 202 = 180

2x = -22

x = -11.

(also the second question is too blurry so I can't do it)