Find the Surface Area box (3cm)(3cm)(3cm)

Math
h=3cml=3cmw=3cm
The surface area of a box is equal to the sum of the areas of each side of the box.
2⋅(length)⋅(width)+2⋅(length)⋅(height)+2⋅(width)⋅(height)
Substitute the values of the length l=3, the width w=3, and the height h=3 into the formula.
2⋅3⋅3+2⋅3⋅3+2⋅3⋅3
Simplify each term.
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Multiply 2 by 3.
6⋅3+2⋅3⋅3+2⋅3⋅3
Multiply 6 by 3.
18+2⋅3⋅3+2⋅3⋅3
Multiply 2 by 3.
18+6⋅3+2⋅3⋅3
Multiply 6 by 3.
18+18+2⋅3⋅3
Multiply 2 by 3.
18+18+6⋅3
Multiply 6 by 3.
18+18+18
18+18+18
Simplify by adding numbers.
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Add 18 and 18.
36+18
Add 36 and 18.
54
54(cm)2
Find the Surface Area box (3cm)(3cm)(3cm)

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