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please help :(((( find the surface area of this rectangular prism that has a length of 5 ft, a width of 6 ft, and a height of 14 ft

Please Help Find The Surface Area Of This Rectangular Prism That Has A Length Of 5 Ft A Width Of 6 Ft And A Height Of 14 Ft class=

Sagot :

the surface area of a rectangular prism is computed as follows:

[tex]SA=2\cdot(l\cdot w+l\cdot h+h\cdot w)[/tex]

where l is length, h is height and w is width.

Substituting with l = 5, w = 6 and h = 14, we get:

[tex]\begin{gathered} SA=2\cdot(5\cdot6+5\cdot14+14\cdot6) \\ SA=2\cdot(30+70+84) \\ SA=2\cdot184 \\ SA=368ft^2 \end{gathered}[/tex]

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