Maths-
General
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Question


In the figure shown, line t intersects lines l and k. Which additional piece of information is sufficient to prove that lines l and k are parallel?

  1. x greater than 90
  2. w less than 90
  3. w equals y
  4. y equals z

The correct answer is: y equals z


    HINT : if y = z by converse of corresponding angles theorem the lines l and k are said to be parallel.
    The converse of corresponding angles theorem states that If the corresponding angles in the two intersection regions are congruent, then the two lines are said to be parallel .
    If y=z then l and k lines are parallel to each other

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