natalierat08 natalierat08

10-05-2021
Mathematics

contestada

Find the value of x.

A.18
B.15
C.16
D.19

PLEASE HELP!!!!!

Find the value of x A18 B15 C16 D19 PLEASE HELP class=

Respuesta :

VectorFundament120 VectorFundament120

10-05-2021

Answer:

x = 19

Step-by-step explanation:

123°+3x = 180°

3x = 180°-123°

3x = 57

x = 57/3

x = 19

The reason why we use 123° + 3x = 180° because both are adjacent angles. Adjacent angles add up to 180°

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