Hi!
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Area of a triangle = [tex](base * height)/2[/tex]
Area of a square = [tex](side)^2[/tex]
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QUESTION 1: Determine the area of the triangular face.
[tex]\frac{bh}{2}[/tex]
[tex]32(20)/2[/tex]
[tex]640/2[/tex]
[tex]320[/tex]
The triangular face is 320 square feet.
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QUESTION 2: Determine the surface area of the entire figure.
[tex]a^2[/tex]
[tex]32^2[/tex]
[tex]1024[/tex]
Now, add the 4 triangular faces to the area of the square face.
[tex]1024+320(4)[/tex]
[tex]1024+1280[/tex]
[tex]2304[/tex]
The total surface area is 1204 square feet.
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For more information, see:
https://brainly.com/question/4637102
https://brainly.com/question/22971514