Q. 134.7( 3 Votes )
Given: Radius of the solid sphere = 9 cm
Radius of the cylinder = 9 cm
Volume of Solid Sphere is: × π × r3 (here r is radius of the sphere)
Volume of Solid Cylinder is: π × r2 × h (here r is radius and h is height of the cylinder)
Let v1 be the volume of given Solid Sphere.
∴ v1 = × π × 93 cm3
Let v2 be the volume of Solid Cylinder.
∴ v2 = π × 92 × h
We know that when a object is moulded from one shape to other its volume does not change.
× π × 93 = π × 92 × h
h = = = 12 cm
∴ h = 12 cm
That is Height of the Cylinder is 12 cm
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