SilvannaT684937 SilvannaT684937

26-10-2022
Mathematics

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Find the surface area of a rectangular solid has length, width, and height are 4 ft, 2 ft, and 10 ft respectively. ( Does not come with a picture.)

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LuciaX489889 LuciaX489889

26-10-2022

The surface area of a rectangular solid (rectangular prism) is:

[tex]SA=2(lh+wh+lw)[/tex]

For the given solid:

l= 4ft

w= 2ft

h=10ft

[tex]\begin{gathered} SA=2(4ft\cdot10ft+2ft\cdot10ft+4ft\cdot2ft) \\ SA=2(40ft^2+20ft^2+8ft^2) \\ SA=2(68ft^2) \\ SA=136ft^2 \end{gathered}[/tex]Then, the surface area of the given solid is 136 square feet

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