alyssalcaMarterri alyssalcaMarterri
  • 24-11-2016
  • Mathematics
contestada

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

Relax

Respuesta :

syed514
syed514 syed514
  • 26-11-2016
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.
Answer Link

Otras preguntas

Which of the following are the coordinates of the vertices of the following rectangle with base b and height h? A. O(0,0),W(0,b), T(h,b), S(h,0) B. O(0,0), W(b,
One very consistent finding is that students who report _____ are less likely to smoke cigarettes, drink alcohol, or use any type of illicit drug than other stu
PLEASE HELP!!!! (100 PTS)
What is the value of 7x^2 + 2x when x = 3
The _____ emphasizes the role of an individual's evaluation of events and situations and of the resources that he or she has available to deal with the event or
What is the ratio 10 to 65 written as a fraction in lowest terms?
Please help me with these hurry
Help me labels this
Please i need help and need the answers please!!! I know you saw this so help please
The churras carias of San Lorenzo feature _______, or barbecues