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1 In the graph each vertex is used exactly once and the starting and ending vertices are the same.
2 In this type of graph there is at least one line that exist between any two points.
3 In this type of graph all vertices are adjacent to each other.
4 In the graph each edge is used exactly once and the starting and ending vertices are the same.
5 Two points next to each other that share more than one line.
6 The graph each vertex is used exactly once and the starting and ending vertices are not the same.
7 A point that only has lines leaving out of it.
8 In the graph each edge is used exactly once and the starting and ending vertices are the not the same.
9 The number of lines that leave out of a point.
10 A point that only has lines going into it.
11 The number of lines that go into a point.
12 Two points next to each other connected by one line.
13 A graph that starts and ends at the same point.
14 Amount of lines that meet at a specific point.
15 A point on a graph.
16 A line or curve which starts and ends at the same point.
17 A graph that starts and ends at different points.
18 A route you can take from one point to another, sometimes through multiple edges.
19 The lines that connect the vertices.
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11
4
2
16
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3
1
9
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19
12