The transversal network in the following is:
D.
A.
C.
B.
In the figure, represents a network. The number of vertices are:
3.
2.
4.
1.
The figure, is a network.
The number of arcs is:
5.
The number of arcs in the network in the figure is:
6.
The figure is a network; the number of arcs is:
