\"\"

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The bases are rectangles

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Perimeter:

\

\"\"

\

\"\"                    (Substitute \"\")

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\"\"                        (Add: \"\")

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\"\"                              (Multiply: \"\")\"\"

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Lateral area:

\

\"\"                              (Lateral area of prism)

\

\"\"                     (Substitute \"\")

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\"\"                            (Multiply: \"\")\"\"

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The lateral area is 234 square centimeters.