What is the surface area of the triangular prism shown

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GuyFawkes asked Apr 23, 2023

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22 votes

What is the surface area of the triangular prism shown

Mathematics
high-school

GuyFawkes asked Apr 23, 2023

by GuyFawkes

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1 Answer

11 votes

Check the picture below.

$\stackrel{\textit{\LARGE Areas}}{\stackrel{two~triangles}{2\left[\cfrac{1}{2}(15)(8) \right]}~~ + ~~\stackrel{rectangle}{(25)(15)}~~ + ~~\stackrel{rectangle}{(25)(17)}~~ + ~~\stackrel{rectangle}{(25)(8)}} \\\\\\ 120~~ + ~~375~~ + ~~425~~ + ~~200\implies 1120~yd^2$