Origin of D.F.1
Examples from the Web for df
Contemporary Examples of df
In the DF, he told me, 61 percent of young people of standard eligible age are enrolled in one sort of university or another.
“But here there is no war,” Mayor Ebrard tells Goldman, referring to DF, before the end of his term.
Mexicans refer to their capital as DF—short for Distrito Federal.
Historical Examples of df
In the triangle gae, ae is equal and parallel to df, and ag to fc.
Join mn and transfer this measurement to each side of d on base line; that is, make df and df equal to mn.The Theory and Practice of Perspective
George Adolphus Storey
Therefore we know that the square of DF will contain the same area as the cross.Amusements in Mathematics
Henry Ernest Dudeney