If deflection angles are measured in a closed traverse, the difference between the sum of the
right-hand and that of the left hand angles should be equal to
(A) 0°
(B) 90°
(C) 180°
(D) 360°
right-hand and that of the left hand angles should be equal to
(A) 0°
(B) 90°
(C) 180°
(D) 360°