Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Books Books
" THE angles at the base of an isosceles triangle are equal to one another : and, if the equal sides be produced, the angles upon the other side of the base shall be equal. "
The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago ... - Page 15
by Robert Simson - 1806 - 518 pages
Full view - About this book

Principles of the Commonwealth. A Treatise

Edmund Lawrence - 1884 - 358 pages
...resides. The assertion that all men are born equal has really no meaning. Euclid proves that the angles at the base of an isosceles triangle are equal to one another; and they are so in magnitude, which is the only attribute or quality which x an angle has. But men have...
Full view - About this book

Philosophy of the Unconscious, Volume 1

Eduard von Hartmann, William Chatterton Coupland - Consciousness - 1884
...consciousness, ie, our general assertion is confirmed here too. Eg, if I want to prove that the angles at the base of an isosceles triangle are equal to one another, I only need to remember the general proposition that in every triangle equal angles are opposite to...
Full view - About this book

The text of Euclid's geometry, book 1, uniformly and systematically arranged ...

Euclides - 1884
...Postulate 1. A straight line mfcy be drawn from any one point to any other point. Proposition V. The angles at the base of an isosceles triangle are equal to one another. Axiom 9. The whole is greater than its part. PROPOSITION VII. THEOREM. On the same base, and on the...
Full view - About this book

An introduction to geometry, consisting of Euclid's Elements, book ..., Volume 1

Euclides - 1884
...the examiner, and indicate the relative importance of the questions. 1875. 7. Prove that the angles at the base of an isosceles triangle are equal to one another. (8) 8. Prove that any two sides of a triangle are together greater than the third. (8) 9. Let A, B,...
Full view - About this book

Philosophy of the Unconscious, Volume 1

Eduard von Hartmann - Consciousness - 1884 - 728 pages
...consciousness, ie, our general assertion is confirmed here too. Eg, if I want to prove that the angles at the base of an isosceles triangle are equal to one another, I only need to remember the general proposition that in every triangle equal angles are opposite to...
Full view - About this book

Fallacies: A View of Logic from the Practical Side

Alfred Sidgwick - Logic - 1884 - 375 pages
...showing a valid reason why the assertion should deserve belief. So again, to prove that the angles at the base of an isosceles triangle are equal to one another, means to establish the truth of that proposition ; and the manner of performing the process certainly...
Full view - About this book

Philosophy of the Unconscious: Speculative Results According to the ...

Eduard von Hartmann - Consciousness - 1884 - 1108 pages
...consciousness, ie, our general assertion is confirmed here too. Eg, if I want to pro.ve that the angles at the base of an isosceles triangle are equal to one another, I only need to remember the general proposition that in every triangle equal angles are opposite to...
Full view - About this book

Miscellaneous Notes and Queries with Answers in All Departments of ..., Volume 2

Questions and answers - 1885
...Euclid this name really belongs — the sth, 2oth or 47th. They are as follows : PROP. V. The angles at the base of an isosceles triangle are equal to...equal sides be produced, the angles upon the other sides of the base shall be equal. PROP. XX. Any two sides of a triangle are together greater than the...
Full view - About this book

University of Oxford. Examination of women. Examination papers

Oxford univ, local exams - 1885
...which Euclid proves the equality of two triangles. 2. What is Euclid's test of equality ? 3. The angles at the base of an isosceles triangle are equal to...another; and if the equal sides be produced the angles on the other side of the base shall be equal to one another. 4. If a straight line be divided into...
Full view - About this book

The first six books of the Elements of Euclid, and propositions i.-xxi. of ...

Euclides - 1885
...after the student has read Prop. xxxu.) PROP. V.— THEOREM. The angles (ABC, ACB) at the base (BC) of an isosceles triangle are equal to one another, and if the equal sides (AB, AC) be produced, the external angles (DEC, ECB) below the base shall be equal. Dem. — In BD...
Full view - About this book




  1. My library
  2. Help
  3. Advanced Book Search
  4. Download EPUB
  5. Download PDF