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Find the area of each set of faces of the prism. Then find the total surface area of the prism.What is the area of each front/back faces sq. feet What is the area of each top/bottom face sq. face.What is the area of each side face sq. feet.

Find The Area Of Each Set Of Faces Of The Prism Then Find The Total Surface Area Of The PrismWhat Is The Area Of Each Frontback Faces Sq Feet What Is The Area O class=

Sagot :

The dimension of front face is l=4 ft and b=12 ft.

Determine the area of each front face of prism.

[tex]\begin{gathered} A_1=4\times12 \\ =48 \end{gathered}[/tex]

The dimension of top face is l=4 ft and b=7 ft.

Determine the area of each top face.

[tex]\begin{gathered} A_2=4\times7 \\ =28 \end{gathered}[/tex]

The dimension of side face is l=7 ft abd b=12 ft.

Determine the area of each side face.

[tex]\begin{gathered} A_3=12\times7 \\ =84 \end{gathered}[/tex]

Determine the total surface area of prism.

[tex]\begin{gathered} A=2A_1+2A_2+2A_3 \\ =2\times48+2\times28+2\times84 \\ =96+56+168 \\ =320 \end{gathered}[/tex]

So total surface area of prism is 320 square feet.

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