How about Gaoru Road Property?

(2) If Gao AD is also a road, then there are four roads from B to C (each intersection can only pass once).

(3)A is 30 northeast of B, and the distance is 2× 100=200 (m);

C is 30 southeast of A, and the distance is 3× 100=300 (m);

A: A is 30 meters east of the north of B, with a distance of 200 meters; C is 30 southeast of A, with a distance of 300 meters;

(4) If Xiao Min starts from point A and walks counterclockwise, he must first go southwest from point A to point B, then east from point B to point C, and finally northwest from point C to point A. 。

So the answers are: (2)4, (3) 30,200 north and east, 30,300 east and south, (4) southwest, due east and northwest.