Question

A cylinder is moulded into the shape of a sphere, which of the following factors will be same for both the spheres?ut.

Answer 1

Answer:

9th

Maths

Surface Areas and Volumes

Surface Area of Spheres

The number of solid spheres...

MATHS

The number of solid spheres each of diameter 6 cm that could be moulded to form a solid metal cylinder of height 45 cm and diameter 4 cm is

December 27, 2019avatar

Mishra Malathi

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ANSWER

Number of solid spheres required =

Volumeofeachsphericalsphere

Volumeofcylinder

Volume of a Cylinder of Radius "R" and height "h" =πR

2

h Radius of the cylinder =

2

4

=2cm

Volume of a sphere of radius 'r' =

3

4

πr

3

As the diameter of the sphere is 6 cm, its radius r =3 cm

Hence, number of spheres required =

3

4

π×3

3

π×2

2

×45

Step-by-step explanation:

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