Respuesta :

Angles A and B are corresponding angles, so they are congruent, and we can write
8x - 8 = 5x + 25
8x - 5x = 25 + 8
3x = 33
x= 11

∠B=5x+25 =5*11 + 25 = 55 + 25 = 80⁰
∠B=80⁰