Question

If the radius of sphere is doubled, find the ratio of the volume of new sphere to the original sphere.​

Answer 1

Answer:

1:8

a/q

let radius be x

now vol = 4/3 πx3

now radius is doubled

so r= 2x

new vol = 4/3 π(2x)3

ratio = 4/3 π x3 / 4/3π(2x)3

= x^3/8x^3

=1/8=1:8

Step-by-step explanation:

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