Word Count : 207

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A complete graph, denoted by $K_n$, is a simple graph in which every pair of distinct vertices is connected by a unique edge. Since you asked for a numerical approach, let's go step by step: --- ### 1. Number of edges in a complete graph For a complete graph with $n$ ________ ________ _______ _________ ______ _____ _____ ________ ________ ____ _________ __________.
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