Analysis of information sources in references of the Wikipedia article "Orders of magnitude (area)" in English language version.
498.29 square miles
498.29 square miles
30,500 acres
The playing court is a rectangle measuring 18 x 9 m, surrounded by a free zone which is a minimum of 3 m wide on all sides.
Floor area of 6.5 million square feet, 34 acres, 13.8 hectares, of which 3.7 million square feet are used for offices.
For the Olympics, fields are supposed to measure exactly 105 meters long and 68 meters wide
4046.87
average length of the four sides is 230.364 meters
4046.87
30,500 acres
30,065,000 sq km