A wheel graph ๐๐W nโ has how many edges?A. 2๐โ22nโ2B. 2๐โ12nโ1C. 2๐2nD. 2๐+12n+1
Question
A wheel graph ๐๐W nโ has how many edges?A. 2๐โ22nโ2B. 2๐โ12nโ1C. 2๐2nD. 2๐+12n+1
Solution
A wheel graph, denoted as Wn, is a graph formed by connecting a single universal vertex to all vertices of an (n-1)-cycle.
The number of edges in a wheel graph can be calculated as follows:
- The (n-1)-cycle has (n-1) edges.
- The universal vertex is connected to the n-1 vertices of the cycle, adding another (n-1) edges.
So, the total number of edges in a wheel graph Wn is (n-1) + (n-1) = 2(n-1).
Therefore, the correct answer is A. 2n-2.
Similar Questions
In a cycle graph ๐ถ๐C nโ , how many edges are there?A. ๐nB. ๐โ1nโ1C. ๐+1n+1D. 2๐2n
The number of edges in a complete graph ๐พ๐K nโ is:A. ๐nB. ๐โ1nโ1C. ๐(๐โ1)22n(nโ1)โ D. 2๐2n
A complete graph on n vertices has how many edges?a.nb.n-1c.n(n-1)/2d.2n
Which of the following is true for a complete graph ๐พ๐K nโ ?A. It has ๐(๐โ1)/2n(nโ1)/2 edges.B. It has ๐n edges.C. It has ๐โ1nโ1 edges.D. It has ๐(๐+1)/2n(n+1)/2 edges.
Which of the following is not a special type of graph?A. Complete graphB. Cycle graphC. Connected graphD. Wheel graph
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