Question 499185: Which of the following statements is false for two perpendicular lines?
(1) The lines are at right angle
(2) The lines are always at same distance from each other
(3) One of the angles formed at their meeting point is 900
(4) If one of the line is a horizontal, the other will be vertical
Answer by oberobic(2304)   (Show Source):
You can put this solution on YOUR website! Two perpendicular lines can be viewed as the x-axis and y-axis, by definition.
(1) Yes, they are at right angles, by definition.
(2) The lines always cross at the point (0,0), so in a sense they're always at the same difference relative to one another.
(3) The sum of the angles where they meet is not 900 degrees; it is 360 degrees.
(4) If one is horizontal, then the other is vertical, by definition.
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The false statement is (3).
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