Home | Preferences | Help | User Guides | Credits | Download | Forum

thesaurus.maths.org

alphabetical | galleries | topics | For Quick Reference: drag this m-button to your links toolbar

C10   (English)

Search for " C10 " in NRICH |  PLUS |  maths.org |  Google

Definition (keystage 2)

A standard size of envelopes with area ( 4√{2} /1024 ) m 2 and sides in ratio 1 : √2 , it is 28 × 40 mm.

Funded by: EU Socrates Minerva, HeyMath!, Cambridge University Press
Copyright: 2001-2004 University of Cambridge and Partners