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Perpendicular lines & their important properties
by Bhavi
Perpendicular lines & their important properties
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Perpendicular lines are lines that intersect to form a right or 90 degree angle. If two lines are perpendicular to each other, then the product of their slopes is equal to – 1.The figure below shows, the lines AB and CD are perpendicular to each other.
  
by ors51
Apr 09, 10 07:16AM PST
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any two perpendicular Lines intersect at exactly one point, is the final answer.
  
by ors51
Apr 09, 10 07:45AM PST
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