A7
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See also: A-7
Translingual
[edit]![](https://cdn.statically.io/img/upload.wikimedia.org/wikipedia/commons/thumb/1/16/A_size_illustration2.svg/220px-A_size_illustration2.svg.png)
Pronunciation
[edit]Etymology 1
[edit]Specified in ISO 216, the international standard on paper sizes.
Symbol
[edit]A7
- (international standards) ISO 216 standard paper size of 74 mm × 105 mm (2.91 in × 4.13 in), with a surface area of 77.7 cm2 (12 sq in).
Coordinate terms
[edit]ISO 216/269 paper sizes
Etymology 2
[edit]Symbol
[edit]A7
- (music) The dominant seventh chord on A, formed by the notes A, C♯, E and G, also written as A7.