PROCEDIMIENTO:
[tex]x + 30 + 140= 180\\x + 170 = 180\\x = 180 - 170\\x = 10\\y = 140\\x + y\\10 + 140\\150[/tex]
Respuesta: e) 150°
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PROCEDIMIENTO:
[tex]x + 30 + 140= 180\\x + 170 = 180\\x = 180 - 170\\x = 10\\y = 140\\x + y\\10 + 140\\150[/tex]
Respuesta: e) 150°