Comment Re:I'll bet ... (Score 1) 322
Also you do not need to match the sine wave exactly either. The three main grids in the US are connected via some DC links so that frequency matching is not necessary.
An A(n+1) page is what you get if you cut an An page in halves.
If additionally I tell you that all An pages have the same shape, and an A0 page has an area of 1 square meter, you now can calculate what A4 looks like.
<pedatic>No I can't. You did not specify the aspect ratio.
Prediction is very difficult, especially of the future. - Niels Bohr