Flashcards
Counting Pairs
Cards in this deck (3)
- 1Number of ways to pair-up “n” things (people, teams, etc)[N x (N-1)]/2
- 2Number of lines to connect n-pointsN x (N-1)/2
- 3Number of interior diagonals in a n-sided polygon (Note: same formula as Counting Pairs, but subtract the “n” outer edges afterwards)[N x (N-1)/2]-N
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- Flashcards on Math Is Cool, created by Jason Hemphill on 12/05/2018.
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- Jason Hemphill
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