 | Robert Potts - Geometry, Plane - 1860 - 380 pages
...and opposite angle ECB, (l. 29.) therefore the remaining angle BID 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. (l. 6.) And because AC is equal to CE, the square on ACia equal to the square... | |
 | Euclides - 1862 - 172 pages
...right angle, and FDB a right angle, for it is equal to the interior and opposite angle ECB, (1.29) the remaining angle BFD is half a right angle ; therefore the angle at B is equal to the angle BFD, wherefore tlie side DF is equal to the side DB. (i. 6.) therefore the squares of AC, CE, are double... | |
 | Euclides - 1862 - 140 pages
...interior and opposite angle ECB, (I. 29.) 10. Therefore the remaining angle BFD is half a right angle. 11. Therefore the angle at B is equal to the angle BFD, and the side DF is equal to the side DB. (I. 6.) 12. And because AC is equal to CE (const.), the square on AC is equal... | |
 | Euclides - 1863 - 122 pages
...interior and opposite angle ECB; therefore the remaining angle BFD is half a right angle. Wherefore the angle at B is equal to the angle BFD, and the side DI? (I. 0) to the side DB. Because AC is equal to CE, the square of AC is equal to the square of CE.... | |
 | Euclides - 1864 - 262 pages
...and opposite angle ECB, (l. 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 D B. (l. 6.) And because AC is equal to CE, the square on AC is equal to the square... | |
 | Euclides - 1865 - 402 pages
...right angle, and FDB a right angle, for it is equal to the interior and opposite angle ECB, (i. 29) the remaining angle BFD is half a right angle ; therefore the angle at B is equal to the angle BFD, wherefore the side DF is equal to the side DB. (i. 6.) And because AC is equal to CE, the square of... | |
 | Robert Potts - 1865 - 528 pages
...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 on AC is equal to the square... | |
 | Euclid, Isaac Todhunter - Euclid's Elements - 1867 - 426 pages
...angle FDB a right angle, for it is equal to the interior and opposite angle ECB ; [I. 29. therefore the remaining angle BFD is half a right angle. Therefore...angle at B is equal to the angle BFD, and the side DF is equal to the side DB. " [I. 6. And because AC is equal to CE, [Construction. the square on AC is... | |
 | Euclid, Isaac Todhunter - Euclid's Elements - 1867 - 424 pages
...angle FDB a right angle, for it is equal to the interior and opposite angle ECB ; [I. 29. therefore the remaining angle BFD is half a right angle. Therefore...angle at B is equal to the angle BFD, and the side DF is equal to the side DB. [I. 6. And because AC is equal to CE, [Construction. the square on AC is equal... | |
 | Edward Atkins - 1874 - 426 pages
...angle FDB a right angle, for it is equal to the interior and opposite angle ECB (I. 29), Therefore the remaining angle BFD is half a right angle ; Therefore...angle at B is equal to the angle BFD, and the side DF is equal to the side DB (I. 6). And because AC is equal to CE (Const.), the square on AC is equal to... | |
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Again, because the angle at B is half a right angle, and FDB a right angle, for it is equal... 
