Question

Question #f3a07

Answer 1

`d) 13:14`

Explanation:

Let the radii are `r_1 and r_2 :. (pi*r_1^2)/(pi*r_2^2) = 169/196 or (r_1/r_2)^2=(13/14)^2 or r_1/r_2=13/14 :. r_1:r_2 =13:14`[Ans]