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a shipping tube is shaped like a triangular prism the bases are equilateral triangles with edges of 5 in and a height of 4.3 in the tube is 14in long find the total surface area of the shipping tube

A Shipping Tube Is Shaped Like A Triangular Prism The Bases Are Equilateral Triangles With Edges Of 5 In And A Height Of 43 In The Tube Is 14in Long Find The To class=

Sagot :

The figure is a triangular prism and the formular for total surface area of a triangular prism is represented below

[tex]\begin{gathered} \text{surface area = }bh+2ls+lb \\ \text{surface area=}(5\times4.3)+2(14\times5)+(14\times5) \\ \text{surface area=}21.5+140+70 \\ \text{surface area=}231.5in^2 \end{gathered}[/tex]