Is 770,000,000 square centimeters as big as The Pentagon?
It's about three-fifths as big as The Pentagon
The size of The Pentagon is about 1,380,000,000 square centimeters.
(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 1,380,000,000 square centimeters. 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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