In the diagram below AB is parallel to CD what is the value of y?
2 answers:
<u>Answer- </u>
<em>The value of y is </em><em>45° </em>
<u>Solution- </u>
When two lines are crossed by another line (i.e the transversal), a pair of angles
on each of those two lines
on opposite sides of the transversal
but outside those two lines
are called Alternate Exterior Angles .
When the two lines are parallel Alternate Exterior Angles are equal.
So, in this case the two highlighted angles are Alternate Exterior Angles and as given that AB || CD, so y=45°
Y° = y₁° (opposite or Vertical angles), but y₁ = 45° corresponding angles,
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