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22-05-2020
Mathematics

contestada

A. 76°

B. 72°

C. 70°

D. 12°

A 76 B 72 C 70 D 12 class=

Respuesta :

22-05-2020

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]

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