# How many solid spheres of diameter 6 cm be cast out of a solid cylinder with radius of the base 9 cm. height 40 m ?

2

2015-03-01T16:51:11+05:30

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Volume of cyl.=πr²h
=22/7*9*9*4000
=1018285.71cm³
volume of sphere=4/3πr³
=4/3*22/7*3*3*3
=113.14
no. of spheres =1018285.71/113.14
=9000
2015-03-01T17:14:53+05:30

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Volume of sphere =  π

* 3 * 3 * 3

=113.14

h = 40m = 4000cm

Volume of cylinder = π  h

=1018285.71

Number of spheres =

=

= 9000 spheres.