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

If deflection angles are measured in a closed traverse, the difference

1.	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
Answer» E.