meme123123 meme123123
  • 22-03-2017
  • Mathematics
contestada

how do you know if lines are perpendicular?

Respuesta :

wonah wonah
  • 22-03-2017
Lines are perpendicular if crossed at 90 degrees
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SoccerGirl920
SoccerGirl920 SoccerGirl920
  • 22-03-2017
You know if lines are perpendicular because they pass through each other at a 90 degree angle.
I hope this helps!
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