Zoeken Afbeeldingen Maps Play YouTube Nieuws Gmail Drive Meer »
Inloggen
 Boeken Boek 31 - 40 van 56 over Again, because the angle at B is half a right angle, and FDB a right angle, for it.... Again, because the angle at B is half a right angle, and FDB a right angle, for it is equal... Elements of Geometry: Containing the First Six Books of Euclid with a ... - Pagina 55
door John Playfair - 1855 - 318 pagina’s
Volledige weergave - Over dit boek ## Euclid in Paragraphs: The Elements of Euclid: Containing the First Six Books ...

Robert Simson - 1845 - 199 pagina’s
...angle at B is half a right angle, and FDB a right angle, for it is equal* to the interior and•29. :. opposite angle ECB, the remaining angle BFD is half...angle at B is equal to the angle BFD, and the side DF tof the side DB. 1 6. i. And because AC is equal to CE, the square of AC is equal to the square of...
Volledige weergave - Over dit boek ## Euclid's Elements of geometry [book 1-6, 11,12] with explanatory notes ...

Robert Potts - 1845
...and opposite angle ECB, (i. 29.) therefore the remaining angle BFD is half a right angle ; wherefore the angle at B is equal to the angle BFD, and the side DF equal to the side DB. (i. 6.) And because AC is equal to CE, the square of AC is equal to the square...
Volledige weergave - Over dit boek ## Elements of Geometry: Containing the First Six Books of Euclid, with a ...

John Playfair - 1846 - 317 pagina’s
...angle GEF is half a right angle, and EGF a right angle, for it is equal (29. 1.) to the interior and opposite angle ECB, the remaining angle EFG is half...DB. Now, because AC=CE, AC2=CE2, and AC2+CE2=2AC2. BuL(47. 1.) AE2= AC2+CE2 ; therefore AE*=2AC2. Again, because EG=GF, EG2=GF2, and EG2+GF2=2GF2. But...
Volledige weergave - Over dit boek ## The first three books of Euclid's Elements of geometry, with theorems and ...

Euclides - 1849 - 108 pagina’s
...Again, because the angle at B is half a right angle and FOB a right angle, for it is equal (i. 29.) to the interior and opposite angle ECB, the remaining...at B is equal to the angle BFD, and the side DF to (i. 6.) the side DB : And because AC is equal to CE, the square of AC is equal to the square of CE;...
Volledige weergave - Over dit boek ## The first two books of the Elements of Euclid, with additional figures ...

Euclides - 1852
...angle, and FDB a right angle, ° xxlx , i. for it is equal 0 to the interior and opposite angle ECU, the remaining angle BFD is half a right angle; therefore...at B is equal to the angle BFD, and the side DF to f the side DB: And because AC is equal to CE, the square of AC is equal to the square of CE; therefore...
Volledige weergave - Over dit boek ## The geometry, by T. S. Davies. Conic sections, by Stephen Fenwick

...Again, because the angle at B is half a right angle, and FDB a right angle, for it is equal (29. i.) to the interior and opposite angle ECB, the remaining...is equal to the angle BFD, and the side DF to (6. i.) the side DB. And because AC is equal to CE, the square of AC is equal to the square of CE ; therefore...
Volledige weergave - Over dit boek ## The first six books of the Elements of Euclid, with numerous exercises

Euclides - 1853
...right angle, and fdb a right angle, for it is equal (i. 29) to the interior and opposite angle e С b. the remaining angle bfd is half a right angle ; therefore...at b is equal to the angle bfd, and the side df to (i. 6) the side db: and because a С is equal to Сe, the square of a С is equal to the square of...
Volledige weergave - Over dit boek ## The synoptical Euclid; being the first four books of Euclid's Elements of ...

Euclides - 1853
...Again, because the angle at B is half a right angle, and FDB a right angle, for it is equal (I. 29.) to the interior and opposite angle ECB, the remaining angle BFD is half a right angle ; therefore 7. The angle at B is equal to the angle BFD, and (I. 6.) the side DF is equal to the side DB. And because...
Volledige weergave - Over dit boek ## The Elements of geometry; or, The first six books, with the eleventh and ...

Euclides - 1855
...interior and opposite angle E С B. Therefore the remaining angle BFD is half a right angle. Wherefore the angle at B is equal to the angle BFD, and the side DF (I. 6) to the side DB. Because AС is equal to СE, the square of AС is equal to the square of СE....
Volledige weergave - Over dit boek ## Euclid's Elements of plane geometry [book 1-6] explicitly enunciated, by J ...

Euclides - 1860
...(L 6). Again, because the angle at B is half a right angle, and FDB a right angle, for it is equal to the interior and opposite angle ECB, the remaining angle BFD is half a right angle (I. 32) ; therefore the angle at B is equal to the angle BFD, and the side DF to the side DB. Now,...
Volledige weergave - Over dit boek