To find accurate thickness of a coin, take ______ coins, place them one
upon another . Measure the thickness of _____ coin. Divide the total by _____ . It will
give accurate thickness of coin
Thickness of ___ coins = ______ cm.
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1st- 20 coins
2nd- 20 coins
3rd- 20
4th- One coin
5th- 20 cm
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