AB = BC = CD
Work out the coordinates of D.

Answer:
D: (18,14)
Step-by-step explanation:
AB: < 6-0 , 6-2 >
AB: < 6, 4 >
C: B + < 6, 4 >
C: (6+6, 6+4) = (12,10)
D: C + < 6, 4 >
D: (12+6, 10+4) = (18,14)