Books Books When several angles are at one point B, any ' one of them is expressed by three letters, of which ' the letter that is at the vertex of the angle, that is, at ' the point in which the straight lines that contain the ' angle meet one another, is put between... The Elements of Euclid, Viz: The Errors, by which Theon, Or Others, Have ... - Page 10
by Robert Simson - 1775 - 520 pages ## Instructions Given in the Drawing School Established by the Dublin Society ...

Joseph Fenn - Mathematics - 1769 - 536 pages
...lines to one another. Fig. 6. NB Wben ffveral anglei are at one print B, any one of tier» it fxpr?ffed by three letters, of -which the letter that is at the vertex of the angle, fiat it at the point in vubicb the ßraigbt lines that contain the angle meet one another, it put between... ## Elements of Geometry;: Containing the First Six Books of Euclid, with Two ...

John Playfair - Euclid's Elements - 1795 - 444 pages
...line. „. ; Vf{ t». -li NB ' When feveral angles. are at crie point B, any one ' of them is exprefled by three letters, of which the letter ' that is at...' which the ftraight lines that contain the angle m6et dhe an' other, is put between the other two letters, and one of thefe ' two is fomewhere upon... ## Elements of Geometry;: Containing the First Six Books of Euclid, with a ...

John Playfair - Euclid's Elements - 1804 - 470 pages
...tlie fame ftmight l.ne. E NB ' When feveral angles are at one point B, any one of them is expretfed by three letters, of which the letter that is at the...contain the angle meet one another, is put between ih« other two letters, ::nd one of thefe two is fomewhere upon one of thofe ftraight lines, and the... ## The Elements of Euclid: Also the Book of Euclid's Data ...cor. viz. The ...

Robert Simson - Trigonometry - 1804
...point B, any one of them « is expreffed by three letters, of which the letter that is at the ver« tex of the angle, that is at the point in which the ftraight lines « tliat contain the angle meet one another, is put between the ( other two letters, and one of thefe... ## The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago ...

Robert Simson - Trigonometry - 1806 - 518 pages
...same straight line. B B C NB c When several angles are at one point B, any one of < them is expressed by three letters, of which the letter that is < at...vertex of the angle, that is, at the point in which the < straight lines that contain the angle meet one another, is put < between the other two letters, and... ## Elements of Geometry: Containing the First Six Books of Euclid, with a ...

John Playfair - Euclid's Elements - 1806 - 320 pages
...the same straight line. A NB ' When several angles are at one point B, any one ' of them is expressed by three letters, of which the letter ' that is at...of the angle, that is, at the point in * which the straight lines that contain the angle meet one an' other, is put between the other two letters, and... ## Elements of Geometry: Containing the First Six Books of Euclid, with a ...

Euclid, John Playfair - Circle-squaring - 1819 - 348 pages
...from those of Euclid. c BC NB ' When several angles are at one point B, any one of them is expressed by three letters, of which the letter that is at the...vertex of the angle, that is, at the point in which the straight lines that contain the angle meet one another, is put between the other two letters, and one... ## Elements of Geometry: Containing the First Six Books of Euclid: With a ...

John Playfair - 1819 - 317 pages
...of which the letter that is at the vertex of the angle, that is, at the point in which the straight lines that contain the angle meet one another, is put between the other two letters, and one of these two is somewhere upon one of those straight lines, and the other upon the other line : Thus the... ## The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ...

Euclid, Robert Simson - Geometry - 1821 - 514 pages
...are at one point B, any one of ' them is expressed by three letters, of which the letter that is 1 at the vertex of the angle, that is, at the point in which the * straight lines that contain the angle meet one another, is put * between the other two letters, and... 