1. The problem statement, all variables and given/known data Three identical point charges A, B, and C are located in the shape of an equilateral triangle with sides of length 15 cm. What is the net force on B if each charge has a magnitude of -5.0 x 10-3 C? 2. Relevant equations coulombs law equation 3. The attempt at a solution (please see the attached scanned page and attached diagram) I think that i am doing something wrong the angle...hope you guys can help.