Question

hallar la amplitud de los ángulos interiores ayudas por favor

Answer 1

a = 5x - 16
b = 8x - 36
c = 180 - 117 = 63

a + b + c = 180
5x - 16 + 8x - 36 + 63 = 180
13x + 11 = 180
13x = 169
x = 13

a = 5x - 16
a = 5(13) - 16
a = 49

b = 8x - 36
b = 8(13) - 36
b = 68