mathewdanil8 mathewdanil8
  • 26-05-2018
  • Mathematics
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If two lines are perpendicular to the same line, prove that they are parallel to each other

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tramserran
tramserran tramserran
  • 26-05-2018
In order to prove that two lines are parallel to each other, you need to show that they have the same slope.

Line 1 is perpendicular to a line that has slope m, thus it has a slope of -1/m.
Line 2 is perpendicular to the same line with slope m, thus it has a slope of -1/m.

Line 1 and Line 2 have the same slope so they are parallel.
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