roxanamejia19
roxanamejia19
20-09-2019
Mathematics
contestada
Two lines are perpendicular if
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ashleyschaper
ashleyschaper
20-09-2019
Answer:
They meet/cross at a 90 degree angle
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kathrynkellygilbert
kathrynkellygilbert
20-09-2019
their slopes are negative reciprocals
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