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You want to wrap a gift shaped like the regular triangular prism shown. How many
square inches of wrapping paper do you need to completely cover the prism?
8.7 in.
14 in.
10 in.
​

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Respuesta :

opudodennis

Answer:

[tex]697.6 \ in^2[/tex]

Step-by-step explanation:

-Given the dimensions of the box is 8.7 in, 14 in and 10 in.

Let length=14 in, width=10 in and height =8.7 in

#The surface area of a rectangular prism is calculated as:

[tex]Surface \ Area=2(wl+hl+hw)\\\\l=length, w=width, h=height\\\\\therefore Surface \ Area=2(14\times 10+10\times 8.7+14\times 8.7)\\\\=697.6 \ in^2[/tex]

Hence, the wrapping paper needed has an area of [tex]697.6 \ in^2[/tex]

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