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Symbol | Definition |
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≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |
The square mile (abbreviated as sq mi and sometimes as mi²) is an imperial and US unit of measure for an area equal to the area of a square with a side length of one statute mile.
The term "cuerda" (and "Spanish acre") refers to various units of measurement in some Spanish-speaking regions, including Spain,Puerto Rico, Guatemala, Cuba, and Paraguay.