Answer to Question #47625 in Physics for jugnu

Question

21. Given that A + B + C
= 0. Out of three vectors A,b,c
two are equal in magnitude and the magnitude
of the third vector is 2 times that of either vector having equal magnitudes. Then the angle between the
vectors is
(1) 30, 60, 90 (2) 45, 45, 90 (3) 45, 60, 90 (4) 90, 135, 135