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How can you deternine if two lines are perpendicular?

Resolved Question:

How can you deternine if two lines are perpendicular?
Submitted: 2 years ago.
Category: General
Expert:  Mark replied 2 years ago.
If the intersecting point of the 2 lines forms a right angle.......or 90 degrees..........then the 2 lines are perpendicular to each other.

I hope this information is helpful and let me know if you need further assistance with this.

Mark, eConsultant
Category: General
Satisfied Customers: 11273
Experience: General Expert
Expert:  Mr. Gregory White replied 2 years ago.
Hello,The way to find out if two lines are perpendicular is to check their slopes. Two lines are perpendicular if their slopes are negative reciprocals of each other.For instance, if one line has a slope of 2, then the perpendicular line would have a slope of -2. If one had a slope of 2/3, the other would have a slope of -3/2.All the best. If you need followup just hit Reply. Please be sure to hit ACCEPT so I receive credit for my help today.

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