Libros Libros 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. Elements of Geometry;: Containing the First Six Books of Euclid, with a ... - Página 2
por Euclid, John Playfair - 1804 - 440 páginas
Vista completa - Acerca de este libro ## Elements of Geometry, Containing the First Six Books of Euclid

Euclid - 1826 - 180 páginas
...are right lines, it is called a rectilineal angle. 10. When a right line standing on another right line, makes the adjacent angles equal to one another, each of the equal angles is a right angle, and the right line standing on the other is called a perpendicular....
Vista completa - Acerca de este libro ## Euclid's Elements of geometry, transl. To which are added, algebraic ...

Euclides - 1826
...are right lines, it is called a rectilineal angle. 10. When a right line standing on another right line, makes the adjacent angles equal to one another, each of the equal angles is a right angle, and the right Tine standing on the other is called a perpendicular....
Vista completa - Acerca de este libro ## The Elements of Euclid: The Errors by which Theon, Or Others, Have Long ...

Robert Simson - 1827 - 513 páginas
...letter placed at that point : as the angle at E.' X. 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. XL An obtuse angle is that...
Vista completa - Acerca de este libro ## The London Encyclopaedia: Or, Universal Dictionary of Science ..., Volumen10

Thomas Curtis - 1829
...the angle contained by the line С В and DB. 7. 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. Fig. 4. 8. An OBTUSE ANGLE is that...
Vista completa - Acerca de este libro ## Geometry Without Axioms; Or the First Book of Euclid's Elements. With ...

Thomas Perronet Thompson - 1833 - 150 páginas
...is always the direct angle that is meant. XXXVII. 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 ; and is also said to be at...
Vista completa - Acerca de este libro ## The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ...

Euclid - 1835 - 513 páginas
...the angle ADG is equal0 to the angle GDB : But when a straight line standing upon another straight line makes the adjacent angles equal to one another, each of the angles is a right angle :d Therefore the angle GDB is a right angle: But FDB is likewise a right angle; wherefore...
Vista completa - Acerca de este libro ## The Teacher's Assistant in the "Course of Mathematics Adapted to the Method ...

1836 - 472 páginas
...together but are not in the same straight line. 7. 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. 8. An obtuse angle is that...
Vista completa - Acerca de este libro ## The Element of Geometry

John Playfair - 1836 - 114 páginas
...angle ADG is equal (7. 1.) to the angle BDG ; but when a straight line standing upon another straight line, makes the adjacent angles equal to one another, each of the angles is a right angle (Def. 27. 1.); therefore BDG is a right angle ; but BDF is likewise a right angle ; wherefore...
Vista completa - Acerca de este libro ## The First Six and the Eleventh and Twelfth Books of Euclid's Elements: With ...

Euclid, James Thomson - 1837 - 390 páginas
...lines meet is called the vertex of the angle. 8. 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, and is said to be at right...
Vista completa - Acerca de este libro ## Euclid's Elements [book 1-6] with corrections, by J.R. Young

Euclides - 1838
...letter placed at that point; as the angle at E.VIII. 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 lines are said to be perpendicular to each other. IX. An obtuse angle is that which is greater...
Vista completa - Acerca de este libro