Question

The surface area of each face of a cube is (x^2+4x+4)cm^2.Find
i) The lenght,
ii) The volume,
of the cube
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Answer 1

Step-by-step explanation:

Explanation:

The surface area of a cube = 6a2 where a is the length of the side of each edge of the cube. Put another way, since all sides of a cube are equal, a is just the lenght of one side of a cube.

We have 96 = 6a2 → a2 = 16, so that's the area of one face of the cube.

Solving we get √16, so a = 4