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## Main Question or Discussion Point

Where is it proven that the unit of area in Euclidean geometry must be a square with side=1? Or is it an axiom? Why not triangles or circles to represent area?

- Thread starter kotreny
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- #1

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Where is it proven that the unit of area in Euclidean geometry must be a square with side=1? Or is it an axiom? Why not triangles or circles to represent area?

- #2

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That's the way it is defined. We use a square because it's most convenient.

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HallsofIvy

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