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 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... Mensuration of lines, areas, surfaces, and volumes - Page xii
by Robert Rawson - 1856 ## The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago ...

Robert Simson - Trigonometry - 1762 - 466 pages
...at one point B, any one of them is ' exprefled by three letters, of which the letter that is at the vertex ' of the angle, that is at the point in which the ftraight lines that ' contain the angle meet one another, is put between the other two ' letters, and... ## The Elements of Euclid, Viz: The Errors, by which Theon, Or Others, Have ...

Robert Simson - Trigonometry - 1775 - 520 pages
...one point B, any one ' of them is cxprefled by three letters, of which the letter that « is at the vertex of the angle, that is, at the point in which ' the ftraight lines that contain the angle meet one another, is ' put between the other two letters, and... ## The First Six Books: Together with the Eleventh and Twelfth

Euclid - 1781 - 550 pages
...are at one point B, any one of them is exprefled by three letters* of which the letter that is at the vertex of the "angle, that is, at the point in which the ftraight 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 Two ...

John Playfair - Trigonometry - 1795 - 444 pages
...crie point B, any one ' of them is exprefled by three letters, of which the letter ' that is at the vertex of the angle, that is, at the point in ' which the ftraight lines that contain the angle m6et dhe an' other, is put between the other two letters, and... ## The Elements of Euclid: Viz. the First Six Books, with the Eleventh and ...

Alexander Ingram - Trigonometry - 1799 - 351 pages
...one point B, any one * of them is expreffed by three letters, of which the letter that ' is at the vertex of the angle, that is, at the point in which * the ftraight 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 - 1804 - 470 pages
...is put between ih« other two letters, ::nd one of thefe two is fomewhere upon one of thofe ftraight lines, and the other upon the other line : Thus the angle which is contained by the ftraight lines AB, CB, is named the angle ABC, or CBA ; that which is contained by AB, BD is. named... ## The Elements of Euclid: Also the Book of Euclid's Data ...cor. viz. The ...

Robert Simson - Trigonometry - 1804
...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 two is fomewhere upon one « of thofe ftfaight lines, and the other upon the other line. thu?... ## The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago ...

Robert Simson - Trigonometry - 1806 - 518 pages
...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...between the other two letters, and one of these two is some< where upon one of those straight lines, and the other upon < the other line : thus the angle... ## Elements of Geometry: Containing the First Six Books of Euclid, with a ...

John Playfair - Euclid's Elements - 1806 - 320 pages
...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 an' other, is put between the other two letters, and one of these ' two is somewhere upon one of those... 