16-04-2020
Mathematics

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what is the value of y?

what is the value of y class=

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wegnerkolmp2741o wegnerkolmp2741o

16-04-2020

Answer:

y = 54

Step-by-step explanation:

We know the sum of the angles of a triangle are 180

72+y+y = 180

Combine like terms

72 + 2y = 180

Subtract 72 from each side

72-72 +2y = 180-72

2y = 108

Divide each side by 2

2y/2 = 108/2

y = 54

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