Problem
COM-B1-M11-P010 Tournament Without Draws
#10
★★☆☆☆ Level 2 of 5
In a tournament with \(9\) players, everyone played everyone exactly once. How many games were played?
A game corresponds to a pair of players.
Choose a pair of players from \(9\). The number of games is \(\binom{9}{2}=36\).
Complete graph in word form.