Respuesta :

Answer:

Your answer will be B) 70 degrees

Step-by-step explanation:

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Answer:

70 degrees

Step-by-step explanation:

In an equilateral triangle, each angle is 60 degrees

x + 3x + 2x = 60

6x = 60

x  = 10

10 + <B + <BDA = 180

10 + 60 + <BDA = 180

<BDA = 110

110 + y = 180

y = 70

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