rosaliaempress9352 rosaliaempress9352
  • 25-03-2018
  • Mathematics
contestada

How to know if something is a right triangle with slope formula?

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sophyyyy
sophyyyy sophyyyy
  • 25-03-2018
when 2 lines intersect and form a right angle,the product of the slope of 2 lines will be -1.
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