Math, asked by Skasquare, 1 year ago

If the volume of a cube is 3√3a³ , then find the total surface area of the cube.

Answers

Answered by amritanshu6
15
let the side of the cube = s units

volume of the cube = s³ cubic units -------- ( i )

Total surface area = 6s² square units ------ ( ii )

According to the problem ,

1 ) volume of the cube = 3√3 a³ = √3 × √3 ×√3 a³ = ( √3 a )³ ----  ( iii )

     ( i ) = ( iii )

 s³ = ( √3 a )³

Therefore ,

s = √3 a units

2 ) Total Surface Area of the cube = 6s²  [ from ( ii ) ]

TSA = 6 × ( √3 a )²

        = 6 × ( √3a ) × ( √3a )

        = 6 × 3 × a²
        
        = 18a² square units

Therefore,

side of the cube = s= √3 a units

TSA = 18a² square units

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