Question

A big sphene made by melting down 64 small sphere each of radius 2cm find the radius of the big sphere
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Answer 1

Answer:

Step-by-step explanation:

Given

No. of spheres = 64

r1 = 2cm

let radius of bigger sphere be r2

Volume of sphere = 4/3πr³

Now

Volume of 64 small spheres= volume of big sphere

64*4/3πr1³=4/3πr2³

Cancel 4/3π

64x8=r2³

r2=8