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Define parallel lines, Intersecting lines and perpendicular lines. |
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Answer» ong>Answer: In geometry, parallel lines are lines in a plane which do not meet; that is, two straight lines in a plane that do not intersect at any point are said to be parallel. Colloquially, curves that do not touch each other or intersect and KEEP a fixed minimum distance are said to be parallel. When two or more lines cross each other in a plane, they are CALLED INTERSECTING lines. The intersecting lines share a COMMON point, which exists on all the intersecting lines, and is called the point of intersection. Here, lines P and Q intersect at point O, which is the point of intersection. Perpendicular lines are lines that intersect at a right (90 degrees) angle. |
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