asmaasma
asmaasma asmaasma
  • 03-05-2017
  • Mathematics
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Two parallel lines are crossed by a transversal What is the value of y?
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Two parallel lines are crossed by a transversal What is the value of y help me class=

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kaydinfoxx
kaydinfoxx kaydinfoxx
  • 03-05-2017
Y is 80 because 80 any y are alternate interior angles
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aquialaska aquialaska
  • 03-07-2019

Answer:

Value of y is 80°

Step-by-step explanation:

Given: Line a and b are parallel.

line a is traversal.

To find: Value of y.

Construction : mark ∠1

Figure is attached.

∠1 = 80° ( vertically opposite angles are equal )

Now,

We know that when lines are parallel then the corresponding angles formed by them and traversal are equal.

y = ∠1

⇒ y = 80°

Therefore, Value of y is 80°

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