Question

If a, b represent AB, BC respectively of a regular hexagon ABCDEF the
CD, DE, EF, FA are
1) b-a, -a, - b, a-b
2) a-b, a, b, b-a
3) b-a, a, b, a - b
4) a - b, -a, -b, b - a
[EAMCET 89]​

Answer 1

your answer is option C.