A charge of -5.9 micro-Coulombs is placed at x = 0, y = 0. A charge of -17.9 micro-Coulombs is placed at x = 0, y = +36 cm. Another charge of -14.6 micro-Coulombs is placed at x = +16 cm, y = 0 cm. What is the angle the total electric force on the charge at x = +16 cm, y = 0 cm makes when measured from the positive x direction, counter-clockwise? Answer in degrees.