How do i check to see if these are part of a right triangle and which vertex is the right triangle?
I can find cross products and dot products and distances between points and point and a line, but I do not understand the wording of this problem. What must I do?
Alright so I found them:
AB.BC = 4-6+2 = 0 <---
BC.AC = 20 -2 +3 = 21
AB.AC = 5 + 3 + 6 = 14
So to answer this question correctly, the vertex at which the right triangle is the dot product AB.BC?
How do I formulate this in words... do I say "the vertex at which the right triangle is the dot product AB.BC"?