Question

When given three points in a three dimensional plane how would you determine if the triangle formed by those points is a right triangle?

Answer 1

I know that to determine if it is iscoseles you just find the length of the three line segments created by these points but how do you determine if it is a right triangle in general?

Answer 2

define 3 vectors and dot product them. if any 2 dot to zero its a right triangle.

Answer 3

or define the 3 lengths between them to see if the smaller valies pythag to the largest

Answer 4

thank you

Answer 5

youte welcome