adabarnes
adabarnes adabarnes
  • 07-11-2016
  • Mathematics
contestada

A vertical line and a horizontal line are perpendicular. Sometimes, always or never true.

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Аноним Аноним
  • 07-11-2016
sometimes true :) hope this helped


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strawberry12 strawberry12
  • 07-11-2016
sometimes true in a problem like that 
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