10 people are sitting aound a table and they only shake hands with eachother once. How many handshakes took place
https://academicpapers.net/wp-content/uploads/2020/08/LOGO-300x75.png00Lizhttps://academicpapers.net/wp-content/uploads/2020/08/LOGO-300x75.pngLiz2021-07-17 11:10:242021-07-17 11:10:2410 people are sitting aound a table and they only shake hands with eachother once. How many handshakes took place