Question

The diagonal of a cube is root12 cm. Find its volume.​

Answer 1

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Side of a cube = a

Length of a Diagonal in a cube = √3a = √12 cm

√3a = √12 cm

a = √12 ÷ √3

a = √ 4 [ √ 4 = 2 ]

a = 2

Side of the cube = 2 cm

As we know ,

Volume of a cube = a³

= 2³

= 8 cm³

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Answer 2

Answer:

Side of a cube = a

Length of a Diagonal in a cube = √3a = √12 cm

 √3a = √12 cm

 a = √12 ÷ √3

 a = √ 4                     [ √ 4 = 2 ]

 a = 2

 

Side of the cube = 2 cm

As we know , 

Volume of a cube = a³

                             = 2³