SOLUTION: Are two lines intersecting that form a 90 degree angle called perpendicular lines?

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Question 54662: Are two lines intersecting that form a 90 degree angle called perpendicular lines?
Answer by eaosmartchik202(2) About Me  (Show Source):
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Yes,two lines intersecting that form a 90 degree angle are called perpendicular lines. Go to this website for more details.
http://library.thinkquest.org/2647/geometry/angle/perpen.htm