Step 1 :\( F_1x = 40 \cos{230^\circ} \), \( F_1y = 40 \sin{230^\circ} \)
Step 2 :\( F_2x = 30 \cos{310^\circ} \), \( F_2y = 30 \sin{310^\circ} \)
Step 3 :\( R_x = F_1x + F_2x + F_3x \), \( R_y = F_1y + F_2y + F_3y \)
Step 4 :\( R = \sqrt{R_x^2 + R_y^2} \)