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" EA : and because AD is equal to DC, and DE common to the triangles ADE, CDE, the two sides AD, DE are equal to the two CD, DE, each to each ; and the angle ADE is equal to the angle CDE, for each of them is a right angle ; therefore the base AE is equal... "
The Elements of Euclid: With Dissertations Intended to Assist and Encourage ... - Page 88
by Euclid, James Williamson - 1781 - 309 pages
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The geometry, by T. S. Davies. Conic sections, by Stephen Fenwick

Royal Military Academy, Woolwich - Mathematics - 1853 - 400 pages
...(6. I.) to EA : And because AD is equal to DC, and DE common to the triangles ADE, CDE, the two sides AD, DE are equal to the two CD, DE, each to each ;...and the angle ADE is equal to the angle CDE for each of them is a right ( Constr.) angle; therefore the base AE is equal (4. i.) to the base EC : But AE...
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The first six books of the Elements of Euclid, with numerous exercises

Euclides - Geometry - 1853 - 176 pages
...(i. 6) to e a. And because ad is equal to dc, and de common to the triangles ade, cde, the two sides ad, de are equal to the two cd, de, each to each ;...the angle ade is equal to the angle cde, for each of them is a right angle; therefore the base ae is equal (i. 4) to the base ec : but ae was shewn to...
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The synoptical Euclid; being the first four books of Euclid's Elements of ...

Euclides - 1853 - 146 pages
...equal to EA: and because AD is equal to DC, and DE common to the triangles ADE, CDE, the two sides AD, DE, are equal to the two CD, DE, each to each;...the angle ADE is equal to the angle CDE, for each of them is (Constr.) a right angle ; therefore (I. 4.) 2. The base AE is equal to the base EC: but...
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Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - Geometry, Plane - 1860 - 380 pages
...EB : (l. 6.) and because AD is equal to DC, and DE common to the triangles ADE, CDE, the two sides AD, DE, are equal to the two CD, DE, each to each...and the angle ADE is equal to the angle CDE for each of them is a right angle ; (constr.) therefore the base EA is equal to the base EC: (l. 4.) but EA...
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Euclid's Elements of plane geometry [book 1-6] explicitly enunciated, by J ...

Euclides - 1860 - 288 pages
...DC, and DE common to the triangles ADE and CDE, tlie two sides AD and DE are equal to the two CD and DE, each to each ; and the angle ADE is equal to the angle CDE, for each of them is a right angle ; therefore the base AE is equal to the base EC (I. 4) ; but AE was shewn...
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The school Euclid: comprising the first four books, by A.K. Isbister

Euclides - 1862 - 172 pages
...(i. 6) and in the triangles ADE, CDE, because AD is equal to DC, and DE common to both, the two sides AD, DE, are equal to the two CD, DE, each to each...the angle ADE is equal to the angle CDE, for each of them is a right angle ; (constr.) therefore the base AE is equal to the base EC ; (i. 4) but AE...
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Euclid's Elements of geometry, books i. ii. iii. iv

Euclides - 1862 - 140 pages
...two triangles ADE, CDE; 3. The two sides AD, DE, are equal to the two sides CD, DE, each to each; 4. And the angle ADE is equal to the angle CDE, for each of them is a right angle; (const.) 5. Therefore the base EA is equal to the base EC. (I. 4.) 6. But...
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The school edition. Euclid's Elements of geometry, the first six books, by R ...

Euclides - 1864 - 448 pages
...EB : (l. 6.) and because AD is equal to DC, and DE common to the triangles ADE, CDE, the two sides AD, DE, are equal to the two CD, DE. each to each ; and the angle ADE is equal to the angle CDIJ ; for each of them is a right angle ; (constr.) therefore the base EA is equal to the base EC:...
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Euclid's Elements of geometry, the first four books, by R. Potts. Corrected ...

Euclides - 1864 - 262 pages
...EB : (l. 6.) and because AD is equal to DC, and DE common to the triangles ADE, CDE, the two sides AD, DE, are equal to the two CD, DE, each to each ; and the angle ADE is equal to the angle CDJS ; for each of them is a right angle ; (constr.) therefore the base EA is equal to the base EC:...
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Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson ...

Robert Potts - 1865 - 528 pages
...EB : (i. 6.) and because AD is equal to DC, and DE common to the triangles ADE, CDE, the two sides AD, DE, are equal to the two CD, DE, each to each...the angle ADE is equal to the angle CDE, for each of them is a right angle ; (constr.) therefore the base EA is equal to the base EC : (i. 4.) but EA...
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