0 votes 0 votes I am getting n>=9 ,if I consider remaining vertices degree 2 (less than 3). How ans is this small ? HeadShot asked Jul 18, 2018 HeadShot 308 views answer comment Share Follow See all 5 Comments See all 5 5 Comments reply Show 2 previous comments HeadShot commented Jul 18, 2018 reply Follow Share @ Anand. Please check calculation once. 0 votes 0 votes HeadShot commented Jul 18, 2018 reply Follow Share @ abhishekmehta4u Yes. 0 votes 0 votes Anand. commented Jul 19, 2018 reply Follow Share yes it will be $6+x=6+3=9$ 0 votes 0 votes Please log in or register to add a comment.