Study the following information carefully to answer the given questions.
How far is point A from point D ?
I. Point A is 4m to the north of point B. Point C is 3m to the east of point A. Point D is to the west of Point A such that points C,A and S form a straight line of 7m
II. Point F is 3m to south of point D. Point C is 4m to the east of point A. Point A is 3m to the north of point B. Point A lies on the line formed by joining points C and D.