Question

calcule a medida dos ângulos indicados pelas letras b)

Answer 1

7x/6 + x/3 +x = 180

mmc(6,3)= 6

7x + 2x +x/6= 180

10x/6 = 180

Multiplica cruzadp

10x=180 . 6

10x=1.080

x=1.080/10

x= 108