Question

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Answer 1

Answer:

3x = 105

y= 75

x=15

Step-by-step explanation:

3x

sol: 180°-75°=105

y

sol: opposite angle is 75° that's why 75°

x

sol: (90 + y) -180

=15

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Answer 2

Answer:

x=35°

y=55°

Step-by-step explanation:

calculate x using linear pair:

75+3x=180

3x=105

x=35

Now,

x+y+90=180( again linear pair)

35+y+90=180

y=180-125

y=55