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Comment by app4soft

> ISO 216 defines the A series of paper sizes based on these simple principles:

> - The height divided by the width of all formats is the square root of two (1.4142).

> - Format A0 has an area of one square meter.

When we look on A0 papers on the market mostly it's size is 841 mm × 1189 mm, that is not correspond to this standard:

- Length Ratio: 1189/841 = 1.41379310345 (should be 1.4142)

- Area: 0.999949 m² (should be 1.0 m²)

P.S. There are few websites which are useful for retrieving various paper formats sizes.[0,1]

[0] https://www.papersize.org/a-paper-sizes.htm

[1] https://papersizes.io/a/

parent app4soft 6 years ago

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