nikitam04 nikitam04

21-08-2021
Mathematics

contestada

Find the value of x.

A. 5.58
B. 9.14
C. 15.2
D. 10

PLEASE HELP!!! :(

Find the value of x A 558 B 914 C 152 D 10 PLEASE HELP class=

Respuesta :

Аноним Аноним

21-08-2021

Answer:

D. 10

Step-by-step explanation:

[tex]{ \sf{(12x + 12) \degree = 79\degree + (5x + 3)\degree}} \\ { \sf{ \{outer \: angle \: is \: equal \: to \: sum \: of \: inner \: angles \}}} \\ { \sf{12x - 5x = 79 + 3 - 12}} \\ { \sf{7x = 70}} \\ { \sf{x = 10}}[/tex]

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