Question

HI I m attempting chp 1, problem 46: The three displacement vectors in the drawing have magnitudes of A = 4.14 m, B = 5.51 m, and C = 3.36 m. Find the resultant ((a) magnitude and (b) directional ang

le) of the three vectors by means of the component method. Express the directional angle as an angle above the positive or negative x axis. got 1.52m -65 deg. what am i doing wrong?