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They are perpendicular if the product of their slopes is -1.

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8y ago

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What is a line that is like perpendicular but straighter?

"Perpendicular" is a straight line at a 90 degree angle from a line it touches or intersects. There is no line "straighter" than a perpendicular line, that I know of.


Does every line have an infinite number of lines perpendicular to the given line?

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How do you know if two line segments are perpendicular?

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