Use the coordinate distance formula to determine whether the triangle is a right triangle.?
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Given are the coordinates of the vertices of a triangle. Use the coordinate distance formula to determine whether the triangle is a right triangle. P (2, 3) Q (-2, -3) R (-6, 1)
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Answer:
HN2GC33TJ3EE6GDGGMU7H4QIJY at Yahoo! Answers Visit the source
Other answers
They have even told you how to do it ! Use the Distance Formula to calculate PQ^2, PR^2 and QR^2 and see if any two of those added together equal the third one - if so then the triangle is right angled (that would be from the converse of the Theorem of Pythagoras). You do know the Distance Formula, don't you ?
John
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