Find the surface area

864 sq. m

Step-by-step explanation:

To find the surface area of the whole cube, you first have to figure out the area of one side.

To find the area of one side, use the equation: l x w.

12 x 12 = 144

This is the surface area of 1 side.

Since this is a cube, the length and width of all the sides are the same, so simply multiply the area of one side by 6 (the number of sides) to get the total surface area.

144 x 6 = 864

So the surface area is 864 sq. m!

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