1.

The total surface area of a cube is 96 cm2. What is the length of its sides?

Answer»

Let the length of the side of a cube = a cm

Total surface area of the cube = 6a² cm² ----( 1 )

Total surface area of the cube = 96 cm² ----( 2 )

( 1 ) = ( 2)

6a² = 96

a² = 96 / 6

a² = 16

a =√16

a = 4 cm



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