The minimum amount of wrapping paper, in square inches, needed to cover the gift shown in the figure is 614 square inches.
What is of total surface area of the rectangular prism?
The total surface area of the rectangular prism is the space occupied by each of the face of it. It is the sum of area of all the faces of prism.
Total surface area of the rectangular prism is calculated with the following formula.
[tex]A=2(lb+bh+lh)[/tex]
Here, (b) is the breath of the base (l) is the length and (h) is the height of the rectangular prism.
The minimum amount of wrapping paper required to cover the gift is equal to the surface area of the figure.
The figure is made with different sides, The area of all the sides is equal to the surface area of the figure. The surface area of it is,
[tex]A=2(5\times8)+(15\times8)+(15\times10)+2(\dfrac{1}{2}3\times8)+(15\times5)+(15\times11)\\A=614\rm\;in^2[/tex]
Thus, the minimum amount of wrapping paper, in square inches, needed to cover the gift shown in the figure is 614 square inches.
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