Respuesta :

Aconite

Answer:

72 + 2y = 180

2y = 108

y = 108/2

y = 54

C. 54

devishri1977

Answer:

C

Step-by-step explanation:

Sum of three angles of triangle = 180

72 + y + y = 180  {add like terms}

72 +2y = 180    {Subtract 72 from both sides}

2y = 180 - 72

2y = 108    {divide both sides by 2}

y = 108 / 2

y = 54°

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