This is a floor plan of a building that is 8m tall. It has a flat roof. What is the surface area of the building including the roof. The floor plan is starting from the left the side is 18m the bottom is 27m the right side is 22m. The top looks weird butits like three sections first a small sqsquare on the left with no measurment for the top or side the middle square has no measurment, and the right square which is the same size as the middle square but sticking out is 10m on the top .
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689cm2
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