Question

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Answer 1

Answer:

y = 54°

Step-by-step explanation:

3x + 72  = 180 ( angles on a straight line)

or x = 36

Now, x + y + 90 = 180 ( angles on a straight line )

or 36 + y + 90 = 180

therefore , y = 54°

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Answer 2

Answer:

x=36, y=54,

Step-by-step explanation:

x+y+90=180,........

x+y=90.......

3x+72=180....

3x=108

x=36

y=54

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