Question

Question #f7364

Answer 1

ratio of radius`=1 :10`

Explanation:

let say r = radius for small circle while R = for big circle.

Area ratio = area of small circle/area of big circle.
`(pi r^2)/(pi R^2) = (2 pi)/(200pi)`

`(r^2)/(R^2) = 1/(100)`

`r/R =sqrt(1/100)`

`r/R =1/10`

`r:R = 1:10`