The figure, is a network.
The number of arcs is:
2.
4.
3.
5.
In a network with 4 vertices and 5 edges. The number of regions is:
6.
The number of arcs in the network in the figure is:
The transversal network in the following is:
B.
D.
C.
A.
The figure is a network; the number of arcs is:
