Respuesta :

ananyap206
2y + 3y + 4y = 9y
180 divided by 9 = 20
Y = 20 degrees

Answer:

y = 20°

Step-by-step explanation:

[tex]Sum\:of\:angles\:in\:a\:triangle = 180\°\\\\2y\°+3y\°+4y\° =180\°\\\\Simplify\\9y\° = 180\°\\\\Divide \:both\:sides\:of\:the\:equation\:by\:9\\\frac{9y}{9} = \frac{180\°}{9} \\y = 20\°[/tex]

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