Question

A round-robin tennis tournament consists of each player playing every other player exactly once. How many matches will be held during an 8-person round-robin tennis tournament

Answer 1

The answer is "28"

Explanation:

Given value:

total person =8

using formula:

`\to (n(n-1))/(2)`

`\to (8(8-1))/(2)\\\\\to (8(7))/(2)\\\\\to (56)/(2)\\\\\to 28`