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[–] 12 points 7 months ago (4 children)

The A system is superior to any american shenanigans!

A4 paper size FTW!

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  • [–] 6 points 7 months ago* (3 children)

    2xA5=A4

    2xA4=A3

    2xA3=A2

    2xA2=A1

    2xA1=A0 = 1 m²

    And the ratio between sides is √2

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