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" Therefore, upon the same base, and on the same side of it, there cannot be two triangles that have their sides which are terminated in one extremity of the base equal to one another, and likewise those which are terminated in the other extretnity equal... "
Elements of Geometry: Containing the First Six Books of Euclid, with a ... - Page 14
by John Playfair - 1806 - 311 pages
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Geometry for schools, comprising books i. and ii. of Euclid, with some ...

Euclides - 1883 - 176 pages
...(proved), .-. L ACB = L ABC (Ax. 3), and these are the angles at the lose. QED EU. I. 7. THEOR. On the same base, and on the same side of it, there cannot be two triangles having their sides which are terminated at one extremity of the base equal to one another, and likewise...
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Relfe brothers' Euclid sheets, propositions 1-26, book 1

Euclides - 1884 - 94 pages
..., wherefore the angle is both equal to, and greater than the angle ; which is impossible. Thirdly. The case in which the vertex of one triangle is upon...Therefore, upon the same base and on the same side of it, &c. RELFE BROTHERS' EUCLID SHEETS, PROPOSITIONS 1—26, BOOK I, ARE NOW PUBLISHED IN A SIMILAR FORM...
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Stewart's specific subjects. Euclid. [1st] (-3rd stage). [With 2 issues of ...

Stewart W. and co - 1884 - 272 pages
...BDC is equal to BCD ; but BDC has been proved to be greater than the same BCD, which is impossible. The case in which the vertex of one triangle is upon a side of the other, needs no demonstration. VIII. — If two triangles have two sides of the one equal to two sides of the other, each to each,...
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University local half-hour examination papers

John Robertson (LL.D., of Upton Park sch.) - Examinations - 1884 - 154 pages
...line joining the point of section to the vertex, is equal to the square on one of the equal sides. 5. Upon the same base, and on the same side of it, there cannot be two triangles having their sides terminated in one extremity of the base, equal to one another, and likewise those...
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Questions and exercises in elementary mathematics

Palaestra Oxoniensis - 1884 - 204 pages
...following enunciations : — (i) Describe an equilateral triangle upon a given finite straight line. (2) Upon the same base and on the same side of it there cannot be two triangles having their sides which are terminated in one extremity of the base equal to one another, and likewise...
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The Elements of Plane and Solid Geometry

Henry William Watson - 1884 - 320 pages
...greater than AB + CD. But AE+CE is equal to AC, and EB + ED is equal to DB, '|L~ 7 PROPOSITION 4. £5to# the same base and on the same side of it there cannot be two triangles having the two sides terminated in one extremity of the base equal to each other, and at the same time...
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The text of Euclid's geometry, book 1, uniformly and systematically arranged ...

Euclides - 1884 - 214 pages
...angle BA C is equal to the angle EDF. Axiom 8. Therefore if two triangles dtc. QED Proposition VII. On the same base and on the same side of it, there cannot be two triangles having their sides which are terminated at one extremity of the base equal to one another, and likewise...
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The Civil service year book and official calendar

1884 - 266 pages
...VI., with the Definitions of Book V.) (Optional.) Time allowed, 2 hours.—(Including Reading.)* 1. Upon the same base and on the same side of it, there cannot be two * A passage (not printed here), occupying about 20 lines of an ordinary reading book, was set in this...
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An introduction to geometry, consisting of Euclid's Elements, book ..., Volume 1

Euclides - 1884 - 182 pages
...pair. (Join A,B,C,Dto the centre, and use I. 5 four times.) SECTION II. PROPOSITIONS 7—12. VI. 1 . If upon the same base and on the same side of it there be two triangles, and one of them be equilateral, prove that the other is not equilateral. 2. In equal...
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Cambridge University Examination Papers.Michaelmas Term,1884 to Easter Term ...

Cambridge University Examination Papers.Michaelmas Term,1884 to Easter Term,1885.Volume XIV - 1885 - 652 pages
...EUCLID. (A) 1. DEFINE a plane superficies, a rhombus, a segment of a circle, and compound ratio. 2. On the same base, and on the same side of it, there cannot be two triangles having their sides which are terminated at one extremity of the base equal to one another, and likewise...
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