Question

A solid cylindrical piece of iron having diameter 21cm and lenght 98 cm is melted and made into spherical ball of 3.5cm diameter find the number of balls?​

Answer 1

FINAL ANSWER:-

$1512\:balls$

GIVEN:-

solid cylindrical piece of iron having diameter 21cm and length 98 cm is melted and made into spherical ball of 3.5cm diameter

TO FIND:-

the number of balls

FORMULAS USED:-

$volume \:of \:cylinder= \pi r^{2} h\\volume\:of\:sphere=\frac{4}{3} \pi r^{3}$

SOLUTION:-

Answer 2

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