stonestiadle
stonestiadle stonestiadle
  • 19-06-2017
  • Mathematics
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How can you prove a triangle is a right triangle?

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Аноним Аноним
  • 19-06-2017
If the angel is 90 Degrees 
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daniellapaz10803 daniellapaz10803
  • 20-06-2017
Use the slope formula to see if any sides are perpendicular.
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