A cylinder is open at both ends and is made of 1.5cm thick metal . Its external diameter is 12 centimetre and height is 84 cm. What is the volume of metal used in making cylinder, also find the weight of cylinder. If 1cm³ of metal weight 7.5 gram .
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first cylinder =1.5cm
diameter= 12cm
height =84 CM
weight=7.5
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