Definition:Imperial/Area/Square Mile
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Definition
The square mile is an imperial unit of area.
One square mile is equal to a square whose side measures $1$ mile.
\(\ds \) | \(\) | \(\ds 1\) | square mile | |||||||||||
\(\ds \) | \(=\) | \(\ds 640\) | acres |
Sources
- 1944: Alfred E. Holbrow: Geometrical Drawing (12th ed.) ... (previous) ... (next): Section $\text I$. Introduction
- 2014: Christopher Clapham and James Nicholson: The Concise Oxford Dictionary of Mathematics (5th ed.) ... (previous) ... (next): acre