find the total distance covered by a vehicle if it starts from a, goes b,c and d in turn and return backs to c,b and finaly to A

find the total distance covered by a vehicle if it starts from a, goes

1.	find the total distance covered by a vehicle if it starts from a, goes b,c and d in turn and return backs to c,b and finaly to A
Answer» 2(ABCD)EXPLANATION:The DISTANCE WOULD be 2(abcd)