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  • 17-11-2021
  • Mathematics
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Show that ABC is right triangle A(-7,-2), B(-3,-3) C(-4,-7)

Show that ABC is right triangle A72 B33 C47 class=

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Аноним Аноним
  • 17-11-2021

Answer:

Step-by-step explanation:

slope of AB = (-3 - (-2)) / (-3 -(-7) = -1/4

slope of BC = (-3 - (-7)) / (-3 -(-4) =  4/1

As the slopes of AB and BC are negative reciprocals of each other, they are perpendicular and therefore triangle ABC is a right triangle.

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