anonymous
  • anonymous
riangle ABC has been rotated 90° to create triangle DEF. Using the image below, prove that perpendicular lines have opposite and reciprocal slopes. You must show all of your work to receive credit.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
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anonymous
  • anonymous
dang um
anonymous
  • anonymous
I hate Geometry.....

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anonymous
  • anonymous
me too
anonymous
  • anonymous
Get the slope of EF and the slope of BC. Multiply the 2 together, and if you get -1, then they're perpendicular.
anonymous
  • anonymous
Thanks so much!
anonymous
  • anonymous
did you get your answer?
anonymous
  • anonymous
Working on that. Give me one moment please! :)
anonymous
  • anonymous
ok:)
anonymous
  • anonymous
From my calculations, the slope of EF is about -0.75 and the slope of BC is about 1.33...
anonymous
  • anonymous
sounds right
anonymous
  • anonymous
That makes -0.9975. So they do have reciprocal slopes?

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