How do you know two lines are perpendicular?
1) Their slopes are equal
2) They look per...
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Mathematics, 11.03.2021 19:30 briyantesol
How do you know two lines are perpendicular?
1) Their slopes are equal
2) They look perpendicular
3) There is no way to tell
4) Their slopes are negative reciprocals
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Answers: 2
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