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The internal and external diameter of a hollow spherical shell are 6 cm and 10cm respectively .it is melted and recast into a solid cylinder of the height

8 by 3.find the radius of the cylinders.


In both cases volume will remain constant VOL OF SPHERICAL SHELL=VOLUME OF CYLI DER Volume of shell =(4/3). Pie. (R^3-r^3) Volume of cylinder=pie*(r^2)*h (4/3)(22/7)(5^3-3^3)answer=(22/7)(r^2)(8/3) Solve for r and u will get 7 as ur answer
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