how many silver coins in diameter and of thickness 1 mm must be melted to form a cuboid of diameter 5.5 cm *5 cm * 3.5cm
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how many silver coins in diameter and of thickness 1 mm must be melted to form a cuboid of diameter 5.5 cm *5 cm * 3.5cm
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Answer:
12250 coins
Step-by-step explanation:
volume of coin=πr²h=π*0.0.5*0.05*0.1 cm³
no. of coins required=volume of cuboid÷volume of one coin
=5.5*5*3.5/π*0.05*0.05*0.1
=55*5*35*7*1000/22*5*5*1
=122500 coins