Question

no triangulo A B C calcule as medidas indicadas

Answer 1

I.

B + 135 = 180
B = 180 - 135
B = 45°


II.

C + 158 = 180
C = 180 - 158
C = 22°


III.

A + 45 + 22 = 180
A = 180 - 67
A = 113°