Is 897.130 square meters as big as The Pentagon?
It's about one-one-hundred-fiftieth as big as The Pentagon
The size of The Pentagon is about 138,000 square meters.
(a.k.a. United States Department of Defense Headquarters) (Washington, D.C.) (total floor area)
The Pentagon, the world's largest office building, contains a total floor area of 138,000 sq. m. Built during World War II, the designers compensated for the steel rations then in effect by using 310,000 cu. m of concrete in the construction efforts.
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