Assertion: acre's value | /r/DefinedAs | mendenhall order
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Source sentences:
text: The US survey acre is roughly equal to 43,560.174240522719629 square feet (4,046.872 609 874 252 square meters), and its precise value as defined by Mendenhall Order is based on an inch, and is given by exactly 1 meter = 39.37 inches.