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 Bøker Bok 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 on which it stands. Euclid's Elements of Geometry: The First Six, the Eleventh and Twelfth Books - Side 18
av Euclid - 1765 - 464 sider
Uten tilgangsbegrensning - Om denne boken ## The synoptical Euclid; being the first four books of Euclid's Elements of ...

Euclides - 1853
...1. The angle ADG is equal 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 (I. Def. 10.); therefore 2. The angle GDB is a right angle: but FDB is likewise...
Uten tilgangsbegrensning - Om denne boken ## The first six books of the Elements of Euclid, with numerous exercises

Euclides - 1853 - 147 sider
...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 rigM angle ; and the straight line which stands on the other is called a perpendicular...
Uten tilgangsbegrensning - Om denne boken ## The geometry, by T. S. Davies. Conic sections, by Stephen Fenwick

...letter placed at that point : as the angle at E. 10. 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...
Uten tilgangsbegrensning - Om denne boken ## Mensuration of lines, areas, surfaces, and volumes

Robert Rawson - 1856
...letter placed at that point ; as the angle at E." 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...
Uten tilgangsbegrensning - Om denne boken ## APPLETONS' CYCLOPAEDIA OF DRAWING

W.E. WORTHEN - 1857
...letter placed at that point; as the angle at E.' 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 (fig....
Uten tilgangsbegrensning - Om denne boken ## Appletons' Cyclopædia of Drawing: Designed as a Text-book for the Mechanic ...

William Ezra Worthen - 1857 - 410 sider
...letter placed at that point ; as the angle at E.' When a straight line standing on another straight line makes the adjacent angles equal to one another, each of the angles is called a rig fit angle ; and the straight lines are said to be perpendicular to each other...
Uten tilgangsbegrensning - Om denne boken ## Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - 1860 - 361 sider
...angle ADG is equal to the angle GDB : (I. 8.) 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 ; (I. def. 10.) therefore the angle GDB is a right angle : but FDB is likewise...
Uten tilgangsbegrensning - Om denne boken ## A course of geometrical drawing

William Schofield Binns - 1861
...meeting or cutting each other in a point, as c (10) " 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...
Uten tilgangsbegrensning - Om denne boken ## Euclid's Elements of geometry, books i. ii. iii. iv

Euclides - 1862
...ECF; (I. 8.) And they are adjacent angles. 5. But 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; (def. 10.) 6. Therefore each of the angles DCF, ECF, is a right angle....
Uten tilgangsbegrensning - Om denne boken ## The school edition. Euclid's Elements of geometry, the first six books, by R ...

Euclides - 1864
...angle ADG is equal to the angle GDB : (I. 8.) 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 ; (I. def. 10.) therefore the angle GDB is a right angle : but FDB is likewise...
Uten tilgangsbegrensning - Om denne boken