Question

Two spheres are similar, the ratio of the radii is 2:1 what is the ratio of their volumes

Answer 1

Answer:

8:1 is the ratio of their volumes

Answer 2

Answer:

8:1

Step-by-step explanation:

let the radii of the two spheres be 2r and 1r.

we know that,

volume of a sphere is =

$\frac{4}{3} \pi \: {r}^{3}$

so the ratio of two spheres is = 4/3pie2r^3 / 4/3pie 1r^3

= 8r^3/1 r^3

= 8:1