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How much wrapping paper would you need to wrap a rectangular box that is 19 inches by 12 inches by 3 inches?

Sagot :

Answer:

[tex]642in^{2}[/tex]

Step-by-step explanation:

So, the area of the rectangular box is [tex]684in^{2}[/tex] which means that that's how much wrapping paper you require.

Formula for total surface area:

[tex]2(lb+bh+lh)[/tex]

Wherein:

l = length

b = breadth

h = height

Substituting the following values,

[tex]2[(19*12)+(12*3)+(3*19)][/tex]

= 642

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