MCQ
Two lines are said to be _______ if they intersect at a right angle.
  • A
    Parallel.
  • Perpendicular.
  • C
    Intersecting.
  • D
    None of these.

Answer

Correct option: B.
Perpendicular.
Perpendicular lines are two or more lines that intersect at a $90-$degree angle or right angle.

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