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Asked by Balan

prove that the points (-4,-3), (-2,2),(8,-2)are the vertices of a right angled triangle.
8 years ago

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Answered by Reiny
Show that two of the three line segments have slopes that are negative reciprocals of each other.
8 years ago
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prove that the points (-4,-3), (-2,2),(8,-2)are the vertices of a right angled triangle.

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