Volume of a toy which is in the form of a cylinder of radius r and height that the mounted by mounted by a cone of same radius and height h is
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Volume of the toy=Volume of cone + Volume of hemisphere.
Given:
r=3.5cm
h=5cm
Volume of cone=
3
1
πr
2
h
=
3
1
×(3.14)×(3.5cm)
2
×(5cm)
=64.11cm
3
Volume of hemisphere=
3
2
πr
3
=
3
2
×(3.14)×(3.5cm)
3
=89.75cm
3
Adding both,
Volume of toy =153.86cm
3
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