Six friends want to play enough games of chess to be sure every one plays everyone else. How many games will they have to play
1 answer:
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Answer:
Step-by-step explanation:
(2 decimal places)
If you want to arrange the tiles into a square, you will need 3.46 in each row/column.
This is physically impossible, hence you round it down to 3.
(If you round it up, you won't have enough tiles since )
Thus, the square area will be
Tiles left:
Answer:
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