Question

If the ratio b/w the volume of two spheres is 27:8 , then ratio b/w their surface area ___

Answer 1

Answer:

5.87:1

Explanation:              

V₁ = 27                                                                      

⇒4/3 π r₁³ = 27

⇒r₁³ = 27*3*7/4*22

      =567/88

   r   =∛6.4

V₂ = 8        

⇒4/3 π r₂³ = 8

⇒r₁³ = 8*3*7/4*22

      =168/88

      =1.09

r=∛1.09

surface area1/surface area 2 = 4πr₁2/4πr₂²

                                                  =∛6.4 * ∛6.4/∛1.09*∛1.09

                                                 =6.4/1.09

                                                 = 5.87

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