 | Euclid, John Playfair - Geometry - 1853 - 336 pages
...of them is ex' pressed by three letters, of which the letter that is at the vertex of the an' gle, that is, at the point in which the straight lines...the angle which is contained by the straight lines, A" ' CB, is named the angle ABC, or CBA ; that which is contained by A * The definitions marked with... | |
 | Euclides - 1853 - 146 pages
...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...letters, and one of these two is somewhere upon one of these straight lines, and the other upon the other line. Thus the angle which is contained by the straight... | |
 | Euclides - Geometry - 1853 - 176 pages
...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...another, is put between the other two letters, and one of в these two is somewhere upon one of those straight lines, and the other upon the other line. Thus... | |
 | Royal Military Academy, Woolwich - Mathematics - 1853 - 400 pages
...at one point B, any one of them is expressed by three letters, of which the letter •.hat is at the vertex of the angle, that is, at the point in which...the angle meet one another, is put between the other e E two letters, and one of these two is somewhere upon one of those straight lines, and the other... | |
 | John Playfair - Geometry - 1855 - 334 pages
...are atone 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...angle which is contained by the straight lines, AB, OB, is named the angle ABC, or CBA ; that which is contained by AB, ' BD, is named the angle ABD, or... | |
 | Euclides - 1855 - 270 pages
...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...those straight lines, and the other upon the other straight line : thus the angle which is contained by the straight lines, AB, CB, is named the angle... | |
 | William Ezra Worthen - Architectural drawing - 1857 - 650 pages
...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...one another, is put between the other two letters : Thus the angle which is contained by the straight lines, AB, CB, is named the angle ABC, or CBA ;... | |
 | W.E. WORTHEN - 1857 - 600 pages
...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...one another, is put between the other two letters : Thus the angle which is contained by the straight lines, AB, CB, is named the angle ABO, or CBA;... | |
 | Robert Potts - Geometry, Plane - 1860 - 380 pages
...are at one point B, either 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...letters, and one of these two is somewhere upon one of these straight lines, and the other upon the other line. Thus the angle which is contained by the straight... | |
 | Euclides - 1862 - 172 pages
...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 containing the angle meet one another, is pat between the other two letters, and one of these two is... | |
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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... 
