Originally Posted by

**dissidia** Well, I have a problem, We're given 3 points(sorry if i've defined/called it wrong) which is A B and C, which also has each a coordinates, but the problem is, only A and B has, C doesn't have any, and we're tasked to find it, but I don't know the formula in finding it, so I can't proceed in measuring the distance between AC and BC, only AB.

Here:

A(-1, 2)

B(4,2)

C(?,?)

Could someone please tell me how to find the C coordinates?

NOTE: My professor said it is an equilateral triangle when we're going to measure it.