# Find the Surface Area box (5.6cm)(12cm)(10cm) h=5.6cml=12cmw=10cm
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=12, the width w=10, and the height h=5.6 into the formula.
2⋅12⋅10+2⋅12⋅5.6+2⋅10⋅5.6
Simplify each term.
Multiply 2 by 12.
24⋅10+2⋅12⋅5.6+2⋅10⋅5.6
Multiply 24 by 10.
240+2⋅12⋅5.6+2⋅10⋅5.6
Multiply 2 by 12.
240+24⋅5.6+2⋅10⋅5.6
Multiply 24 by 5.6.
240+134.4+2⋅10⋅5.6
Multiply 2 by 10.
240+134.4+20⋅5.6
Multiply 20 by 5.6.
240+134.4+112
240+134.4+112
Simplify by adding numbers.
Add 240 and 134.4.
374.4+112
Add 374.4 and 112.
486.4
486.4(cm)2
Find the Surface Area box (5.6cm)(12cm)(10cm)

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