SOLUTION: Seven Matrons assembled for a meeting, shake hands with one another. How many handshakes take place……………….?
394
124
Algebra.Com
Question 862584: Seven Matrons assembled for a meeting, shake hands with one another. How many handshakes take place……………….?
394
124
5040
490
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
n(n-1)/2
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