 | Clarence Deming - 1915 - 332 σελίδες
...Semper compescis hanc nostrum obsecrationem audi. and the text of a sermon of the Class of '52 reads: "When a straight line standing on another straight...makes the adjacent angles equal to one another each of these angles is called a three and a half and the line thus placed is called a rush." RHYMES OF THE... | |
 | Great Britain. Board of Education - 1924 - 70 σελίδες
...reading is not soon exhausted. 41 Euclid's definition of a right angle is as follows : — " If one straight line standing on another straight line makes the adjacent angles equal, each of these angles is a right angle." And his thirteenth proposition is : " If one straight line... | |
 | D. Ponton - 1927 - 168 σελίδες
...a common arm. Vertically opposite Angles are those made when two straight lines cross one another. When a straight line, standing on another straight...stands on the other is called a perpendicular to it. A right angle contains 90 degrees. An Obtuse Angle is one which is greater than a right angle. An Acute... | |
 | Jules Adeline - 1927 - 442 σελίδες
...straight lines. It is called curvilinear ANA ANI when it is contained by portions of curves. When one straight line standing on another straight line makes the adjacent angles equal, each of these angles is called a right angle. A right angle measures 9o°. An angle of 45° (ie half... | |
 | Rudy von Bitter Rucker - 1977 - 166 σελίδες
...of this postulate is not clear until we have defined right angles: "When a straight line set up on a straight line makes the adjacent angles equal to one another, each of the equal angles is right." This postulate seems to be equivalent to the assumption that the things we... | |
 | G.E. Martin - 1997 - 536 σελίδες
...containing the angle are straight, the angle is called rectilineal. 10. When a straight line set up on a straight line makes the adjacent angles equal to one another, each of the equal angles is right, and the straight line standing on the other is called a perpendicular to that... | |
 | Daniel Pedoe - 1983 - 338 σελίδες
...containing the angle are straight, the angle is called rectilineal. 10. When a straight line set up on a straight line makes the adjacent angles equal to one another, each of the equal angles is right, and the straight line standing on the other is called a perpendicular to that... | |
 | Daniel Pedoe - 1988 - 468 σελίδες
...containing the angle are straight, the angle is called rectilineal. 10 When a straight line set up on a straight line makes the adjacent angles equal to one another, each of the equal angles is right, and the straight line standing on the other is called a perpendicular to that... | |
 | Bernard J. F. Lonergan, Robert M. Doran - 1988 - 372 σελίδες
...straight lines. It is a nominal definition. The tenth definition reads: 'When a straight line set up on a straight line makes the adjacent angles equal to one another, each of the equal angles is right, and the straight line standing on the other is called a perpendicular to that... | |
 | Clark N. Glymour - 1997 - 406 σελίδες
...containing the angle are straight, the angle is called rectilinear. 10. When a straight line set up on a straight line makes the adjacent angles equal to one another, each of the equal angles is right, and the straight line standing on the other is called a perpendicular to that... | |
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When a straight line standing on another straight line makes the adjacent angles equal to one another, each of the angles is called a right angle ; and the straight line which stands on the other is called a perpendicular to it. 
