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【Daily Question】Utilities - Civil Engineering - 20190811

2019-08-11View Original

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The horizontal area of the exterior perimeter of a single-story industrial building, above the base of its outer walls, is 7200 m2. The building is 7.8 meters high and contains two floors of offices, each with a ceiling height of more than 2.2 meters; the horizontal area of these office floors is 350 m2. There are two sets of exterior staircases leading to the offices, with the horizontal projection area of each floor being 7.5 m2. What is the total construction area of this building? ( )   A、7557.5m2   B、7565m2   C、7900m2   D、7915m2 Answer: B

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