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 Βιβλία Βιβλία 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. Geometry Without Axioms; Or the First Book of Euclid's Elements. With ... - Σελίδα 51
των Thomas Perronet Thompson - 1833 - 150 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο ## Geometry: Plane and Fancy

David A. Singer - 1998 - 162 σελίδες
...review what we know about right angles. Euclid's tenth definition says: 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...
Περιορισμένη προεπισκόπηση - Σχετικά με αυτό το βιβλίο ## On Intelligence

Hippolyte Taine - 1998 - 588 σελίδες
...each of them perpendicular to a third line, denoting by the name perpendicular the straight line which standing on another straight line makes the adjacent angles equal to one another ; it is from this construction that all the properties of parallels must be deduced, — Now, what...
Περιορισμένη προεπισκόπηση - Σχετικά με αυτό το βιβλίο ## Mathematical Expeditions: Chronicles by the Explorers

Reinhard Laubenbacher, David Pengelley - 2000 - 278 σελίδες
...parallel postulate itself. Euclid, from Elements BOOK I. DEFINITION 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...
Περιορισμένη προεπισκόπηση - Σχετικά με αυτό το βιβλίο ## Space from Zeno to Einstein: Classic Readings with a Contemporary Commentary

Nick Huggett - 1999 - 274 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...
Περιορισμένη προεπισκόπηση - Σχετικά με αυτό το βιβλίο ## A Course in Modern Geometries

Judith Cederberg - 2004 - 441 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 Reprinted with permission of Cambridge University Press from The Thirteen...
Περιορισμένη προεπισκόπηση - Σχετικά με αυτό το βιβλίο ## A Mathematics Sampler: Topics for the Liberal Arts

William P. Berlinghoff, Kerry E. Grant, Dale Skrien - 2001 - 602 σελίδες
...describe familiar figures in more or less familiar ways. For example: « When a straight line crossing a straight line makes the adjacent angles equal to one another, each of the equal angles is called a right angle, and the straight line crossing the other is called a perpendicular...
Περιορισμένη προεπισκόπηση - Σχετικά με αυτό το βιβλίο ## The Sheet-Metal Worker's Instructor

R. H. Warn, J. G. Horner - 2002 - 284 σελίδες
...straight liue, B, makes the adjacent angles equal to one another, each of B Fig. 1. Fig. 2. the angles Ls called a right angle, and the straight line which...stands on the other is called a perpendicular to it (Fig. 2). 8. An obtuse angle is that which is greater than a right angle (Fig. 3). 9- An acute angle...
Περιορισμένη προεπισκόπηση - Σχετικά με αυτό το βιβλίο ## Geometry: Our Cultural Heritage

Audun Holme - 2002 - 378 σελίδες
...containing the angle are straight, the angle is caller rectilinear. 9. When a straight line set up on a straight line makes the adjacent angles equal to one another, each of the angles is right, and the straight line standing on the other is called the perpendicular to the one on which...
Περιορισμένη προεπισκόπηση - Σχετικά με αυτό το βιβλίο ## Classics in the History of Greek Mathematics

Jean Christianidis - 2004 - 474 σελίδες
...BA is perpendicular to AT and Definition I.10, which states that “When a straight line set up on a straight line makes the adjacent angles equal to one another, each of the right angles is right, and the straight line standing on the other is called a perpendicular to that...
Περιορισμένη προεπισκόπηση - Σχετικά με αυτό το βιβλίο ## Visualization, Explanation and Reasoning Styles in Mathematics

Paolo Mancosu, Klaus Frovin Jørgensen, S.A. Pedersen, Stig Andur Pedersen - 2005 - 300 σελίδες
...classes of (rectilinear) angles (trans. Heath 1926, I, 181): 1 0. 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 [...]. 1 1 . An obtuse angle is an angle greater than a right angle. 12. An acute...
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