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At how many points will two lines that are perpendicular intersect?

User Ryan Kohn
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2 Answers

2 votes
perpendicular lines intersect under angle 90 degree, and if line intersect it should be only one point
User JanMensch
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4 votes
Lines that are perpendicular will intersect only once.
Lines that are parallel will NEVER intersect.

User Dan Bracuk
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