you build a two-person tent, as shown. How many square feet of material is needed to make the tent, assuming the tent has a floor?
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The material is needed to make the tent, assuming the tent has a floor would be equal to 36/√3.
Connect three rectangles edge to edge. Now close their triangular mouths from both ends. That shape is called a triangular prism.
Let the tent width be w and the given Length is 6 feet.
[tex]tan\theta = \dfrac{opposite }{adjecent} \\\\tan60 = \dfrac{h}{w/2} \\\\\sqrt{3} = \dfrac{6}{w/2} \\\\\sqrt{3} = \dfrac{12}{w} \\\\w = \dfrac{12}{\sqrt{3} }[/tex]
[tex]sin60 = \dfrac{opposite }{hypotenuse} \\\\sin60 = \dfrac{6}{x}\\\\x = \dfrac{6}{\sqrt{3}/2 }\\\\x = \dfrac{12}{\sqrt{3} }[/tex]
The area of the front tent =
[tex]\dfrac{1}{2} \times base \times height\\\\\dfrac{1}{2} \times w\times h\\\\\\\dfrac{1}{2} \times 12/\sqrt{3} \times 6\\\\\dfrac{36}{\sqrt{3} }[/tex]
The area of the back tent is also the same.
Learn more about triangular prisms here:
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