If A, B, C have position vectors (0, 1, 1), (3, 1, 5), (0, 3, 3) respectively, show that is right angled at C.
Given Data:

Now the angle C

So angle C is a right angle triangle.

Question

If A, B, C have position vectors (0, 1, 1), (3, 1, 5), (0, 3, 3) respectively, show that is right angled at C.

Philoid · Accepted Answer

Given Data:

Now the angle C

So angle C is a right angle triangle.