# Coins and Trays

1. Oct 8, 2004

### Gianz

Given the radius of the tray and the uniform radius of coins, how can we compute for the number of coins that can fit in the inner rim (not the whole tray) of the tray? (see attachment...)
Ex1.
Ans. 6 coins of size 2 will fit the inner rim of a tray of size 6.
Ex2.
Ans. 1 coin of size 5 will fit the inner rim of a tray of size 8.
Ex3.
Ans. Coin cannot fit in tray.

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