A graph G has the degree of each vertex is 3 say, deg(V) 3 V G such that 3|V| 2|E| and 3|R| 2|E|, then the graph is said to be ________ (R denotes region in the graph)

A graph G has the degree of each vertex is 3 say, deg(V) 3 V G

1.	A graph G has the degree of each vertex is 3 say, deg(V) 3 V G such that 3\|V\| 2\|E\| and 3\|R\| 2\|E\|, then the graph is said to be ________ (R denotes region in the graph)
A.	Planner graph
B.	Polyhedral graph
C.	Homomorphic graph
D.	Isomorphic graph
Answer» C. Homomorphic graph