The ratio 10:14 (or rather 5:7) differs from sqrt(2) by a factor of 1.02% Other approximations are
. 17:12 (deviates from sqrt(2) by 0.17% . 99:70 (deviates from sqrt(2) by 0.0051%) It really depends on how accurate you want to go and the practicalities of keeping to the required accuracy. I do not think that in the real world it is practical to define a flag as having sides in the ratio 99:70, though 17:12 seems OK. From: Henschel Mark [mailto:mw-hensch...@neiu.edu] Sent: 05 June 2013 02:19 To: vliets...@btinternet.com Cc: U.S. Metric Association Subject: Re: [USMA:52864] RE: Metric Flag Not exactly. Metric paper is the ratio of one to the square root of two, or one to radical two (1:1.414...) I suppose 7:10 would work as an approximation. IF you like ratios, explore the Renard series of preferred numbers. Louis Sokol did a lot of work on this topic and wrote some interesting papers about Renard numbers. Mark ----- Original Message ----- From: Martin Vlietstra <vliets...@btinternet.com> Date: Tuesday, June 4, 2013 6:03 am Subject: [USMA:52864] RE: Metric Flag To: "U.S. Metric Association" <usma@colostate.edu> > And a flag ratio of 7:10 - the ratio of A4 paper? > > -----Original Message----- > From: owner-u...@colostate.edu [mailto:owner-u...@colostate.edu] > On Behalf > Of Pierre Abbat > Sent: 04 June 2013 10:31 > To: U.S. Metric Association > Subject: [USMA:52862] RE: Metric Flag > > On Tuesday, June 04, 2013 07:59:20 Martin Vlietstra wrote: > > I know that some flags do have text - this seems to have been > a trends > > in the 19th century. Historically the flag was an emblem > that was > > recognisable without text. > > How about the quarter meridian divided into ten equal parts? > > Pierre > -- > li ze te'a ci vu'u ci bi'e te'a mu du > li ci su'i ze te'a mu bi'e vu'u ci > >