Answer:measurement of angle B is
[tex]70 \: \: degrees[/tex]
Answer C is correct
Step-by-step explanation:
[tex]6x - 2 + 5x + 18 + 2x + 8 = 180 \\ 13x + 24 = 180 \\ 13x = 180 - 24 \\ 13x = 156 \\ \frac{13x}{13} = \frac{156}{13} \\ x = 12 \: \: degrees[/tex]
