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Question

# calculate the surface area of a cube with a side of 4 mm

- 72 mm
^{2 } - 96 mm
^{2 } - 64 mm
^{2 } - 56 mm
^{2}

^{2 }^{2 }^{2 }^{2}Hint:

### Total Surface Area of Cube: The total surface area of a cube refers to the total area covered by all six faces of a cube. To calculate the surface of a cube, we find the sum of the areas of these 6 faces.

Surface Area = 6a2

where a is the side of cube

## The correct answer is: 96 mm^{2 }

- Step 1:We have given the length of the side of the cube.

Side = 4 mm

- Step 2: Find the square of the length of the side of the cube.

(Side)^{2}= (4)^{2}= 16 mm^{2}

- Step 3: For total surface area, find out the product of the square of side length by 6.

Surface area = 6(side)^{2}

= 6(16)

= 96 mm^{2}

- Step 4: Therefore, the surface area of the given cube is 96 mm
^{2}.
- Therefore, the correct answer is option B) 96 mm
^{2}.

^{2}

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