Respuesta :

gmany
Look at the picture.

[tex](x+2)+(3x+6)=180\\\\4x+8=180\ \ \ \ |-8\\\\4x=172\ \ \ \ |:4\\\\x=43[/tex]


[tex]m\angle A=(3\cdot43+6)^o=135^o[/tex]
Ver imagen gmany
raevynwalker501

Answer: 135

Step-by-step explanation: Just confirming the answer :)

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