Math, asked by vikasamnesh1455, 1 year ago

The volume of 2 sphere is in the ratio 27 ratio 8 find ratio of their curved surface area

Answers

Answered by Anonymous
4

Answer:


Step-by-step explanation:

let the radius of two ( 2 ) spheres are = r1 and r2

=  27 : 8 =  4/3 π r1³ : 4/3 π r2³

= 27 : 8 =  r1³ : r2³

= ∛ 27 : 8  = r1 : r2

= 3 : 2 = r1 : r2

=r1 : r2 = 3 : 2

∴ ratio of their curved surface area = 4πr1² : 4πr2²

= r1² : r2²  

= 3² : 2²

=  9 : 4

Similar questions