Ask Question
5 April, 14:55

Use vectors to decide whether the triangle with vertices p (1,-3,-2), Q (2,0,4), R (6,-2,-5) is right-angled.

+3
Answers (1)
  1. 5 April, 14:57
    0
    The direction vectors for the three sides are given by the differences in the vertices, not the vertices themselves. So consider the vectors

    P-Q, P-R, Q-RP-Q, P-R, Q-Rand see whether any of these are orthogonal.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Use vectors to decide whether the triangle with vertices p (1,-3,-2), Q (2,0,4), R (6,-2,-5) is right-angled. ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers