A cone of height 24 cm and radius of base 6 cm is made up of modelling clay. A child reshapes it in the form of a sphere. Find the radius of the sphere.
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The volume of cone = (⅓) × π × 6 × 6 × 24 cm^3.
If r is the radius of the sphere, then its volume is (4/3) πr3.
Since the volume of clay in the form of the cone and the sphere remains the same,
we
have,
(4/3) πr^3 = (⅓) × π × 6 × 6 × 24 cm^3
r^3 = 3 × 3 × 24 = 3^3 × 2^3
So, r = 3 × 2 = 6
Therefore, the radius of the sphere is 6 cm.
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