| John Keill - Logarithms - 1723 - 364 pages
...becaufe AD is equal to DC, and DE common, the two Sides AD, DE, are each equal to the two Sides CD, DE; **and the Angle ADE is equal to the Angle CDE; for each** is a Right one. Therefore the Bafe AE is equal to the Bafe EC. But AE has b.een prov'd to be equal... | |
| John Keill - Trigonometry - 1733 - 397 pages
...becaufe AD is equal to DC, and DE common, the two Sides AD, DE, are each equal to the two Sides CD, DE; **and the Angle ADE is equal to the Angle CDE; for each** is a Right one. Therefore the Bafe AE is equal to the Bafe E C. But AE has been proved to be equal... | |
| Robert Simson, Euclid - Trigonometry - 1762 - 466 pages
...equal c to EA. and becaufe AD is equal to DC, and DE common to the triangles ADE, CDE, the two fide? **AD, DE are equal to the two CD, DE, each to each ;...angle ADE is equal to the angle CDE, for each of them** is a right t. 4. i. angle ; therefore the bafe AE is equal f to the bafe EC. but AE; was fhewn to be... | |
| Euclides, David Gregory - Mathematics, Greek - 1765 - 464 pages
...A. And becaufe AD is equal to D c, and DE is common, the two fides AD, DE are equal to the two fides **CD, DE, each to each, and the angle ADE is equal to the angle** c DE ; for each of them is a right angle : Therefore [by 4. i.] the bafe AE is equal to the bafe E... | |
| Robert Simson, Euclid - Trigonometry - 1775 - 520 pages
...EC : And ln-caufe the angle ABE is equal to the angle BAE, the ftraight .'ine BE is equal c to EA : **And becaufe AD is equal to DC, and DE common to the...angle ADE is equal" to the angle CDE, for each of them** is a right angle ; therefore the bafe AE is equ.tl f to the bafe EC : But \E was fhewn to be equal... | |
| Robert Simson - Trigonometry - 1781 - 466 pages
...join EC. and becaufe the angle ABE is equal to the angle BAE, the ftraight line BE is equal c to EA. **and becaufe AD is equal to DC, and DE common to the...was fhewn to be equal to EB, wherefore alfo BE is** equal to EC; and the three ftraight lines AE, EB, EC arc therefore equal to one another ; wherefore... | |
| James Williamson - Mathematics - 1781
...line BE is equal to EA : And becaufe AD is (by conft.) equal to DC and DE common ; certainly the two **AD, DE are equal to the two CD, DE each to each ;...the angle ADE is equal to the angle CDE ; for each** is a right angle ; therefore alfo (by 4. i.) the bafe AE is equal to the bafe EC; but AE has been demonftrated... | |
| Euclid - 1781 - 520 pages
...common to the triangles ADE, CDE, the two fides AD, DE are equal to the two CD, DE, each to teach; **and the angle ADE is equal to the angle CDE, for '•each of them** is a right angle ; therefore the bafe AE is equal f to the bafe EC : But AE was fhewn to be equal to... | |
| John Playfair - Euclid's Elements - 1795 - 400 pages
...and DE common to the 'triangles ADE, CDE, the two fides AD, DE are equal to the two CD, DE, each td **each ; and the angle ADE is equal to the angle ,CDE, for each of them** is a right angle ; therefore the bafe AE is . equai f to the bafe EC * but AK was fliewn to be equal... | |
| Trigonometry - 1799 - 351 pages
...EA : And becaufe AD is equal e *3to DC, and DE common to the triangles ADE, CDE, the two i. c 6« ** **fides AD, DE are equal to the two CD, DE, each to each ; and the angle ADE is equal to** CDE, for each of them is a right angle ; therefore the bafe AE is equal i to EC : But AE was Jhewn... | |
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