0 votes 0 votes If G is an undirected planar graph on n vertices with e edges then A) e<=n B) e<=2n C) e<=3n D) None of the option plz explain it with solutions RiteshSingh asked Sep 10, 2018 RiteshSingh 323 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply Magma commented Sep 10, 2018 reply Follow Share RiteshSingh tell me that if option D is given ?? I think the correct answer is : e<= 3n-6 0 votes 0 votes RiteshSingh commented Sep 10, 2018 reply Follow Share I too knew the same... But while going through some questions I found B as answer To confirm there is no way to bring B,I asked the question Ty for confirming!! 0 votes 0 votes Please log in or register to add a comment.