Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Books Books
" And because the angle ABC is equal to the angle BCD, and the angle CBD to the angle ACB... "
The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ... - Page 30
by Euclid - 1835 - 513 pages
Full view - About this book

Elements of Geometry: Containing the First Six Books of Euclid, with a ...

John Playfair - Euclid's Elements - 1836 - 488 pages
...ABD is equal to the whole angle ACD : And the angle BAC has been shewn to be equal to the angle BDC ; therefore the opposite sides and angles of a parallelogram...its diameter bisects it ; for AB being equal to CD, arid BC common, the two AB, BC are equal to the two DC, CB, each to each ; now tfee angle ABC is equal...
Full view - About this book

The Teacher's Assistant in the "Course of Mathematics Adapted to the Method ...

Mathematics - 1836 - 472 pages
...and parallel straight lines, towards the same parts, are also themselves equal and parallel. XXXIV. The opposite sides and angles of a parallelogram are equal to one another, and the diameter bisects it, that is, divides it into two equal parts. XXXV. Parallelograms upon the...
Full view - About this book

Elements of Geometry: Containing the First Six Books of Euclid : with a ...

John Playfair - Geometry - 1837 - 332 pages
...ABD is equal to the whole angle ACD : And the angle BAG has been shewn to be equal to the angle BDC : therefore the opposite sides and angles of a parallelogram...and BC common, the two AB, BC are equal to the two IDC, CB, each to each ; now the angle ABC is equal to the angle BCD ; therefore the triangle ABC is...
Full view - About this book

The First Six and the Eleventh and Twelfth Books of Euclid's Elements: With ...

Euclid - Geometry - 1837 - 410 pages
...quadrilateral which has two sides equal and parallel, is (I. def. 24.) a parallelogram. PROP. XXXIV. THEOR. THE opposite sides and angles of a parallelogram are equal to one another ; and (2.) the diagonal bisects it. Let ADf be a parallelogram, of which BC is a diagonal; (1.) the...
Full view - About this book

Euclid's Elements [book 1-6] with corrections, by J.R. Young

Euclides - 1838 - 264 pages
...to BD : and it was shown to be equal to it. Therefore, straight lines, &c. QED PROP. XXXIV. THEOR. The opposite sides and angles of a parallelogram are equal to one another, and the diameter bisects it, that is, divides it into two equal parts. N. B — A parallelogram is...
Full view - About this book

The Elements of Euclid; viz. the first six books,together with the eleventh ...

Euclides - 1841 - 378 pages
...opposite sides and angles of parallelograms are equal to one another; also, their diameter bisects them; for AB being equal to CD, and BC common, the two AB, Because AB is parallel to CD, AB BC are equal to the two DC, CB, each to each; and the angle ABC has...
Full view - About this book

Elements of Geometry: Containing the First Six Books of Euclid, with a ...

John Playfair - Euclid's Elements - 1842 - 332 pages
...to two right angles ; therefore, the opposite sides must be equal and parallel. PROP. XXXIV. THEOR. The opposite sides and angles of a parallelogram are equal to one another, and the diagonal bisects it ; that is, divid'es it into two equal parts. NB A Parallelogram is a four-sided...
Full view - About this book

Elements of geometry: consisting of the first four,and the sixth, books of ...

Euclides - 1842 - 320 pages
...to BD ; and it was shown to be equal to it. Therefore, straight lines, &c. QED PROP. XXXIV. THEOR. THE opposite sides and angles of a parallelogram are equal to one another, and the diameter, or diagonal, bisects the figure. NB A parallelogram is a four-sided figure, of which...
Full view - About this book

Euclid in Paragraphs: The Elements of Euclid: Containing the First Six Books ...

Euclid - Geometry - 1845 - 218 pages
...opposite sides and angles of parallelograms are equal to one another ; Also, their diameter bisects them ; for AB being equal to CD, and BC common, the two AB,...DC, CB, each to each ; and the angle ABC is equal to *. i. the angle BCD; therefore the triangle ABC is equal to the triangle BCD, and the diameter BC...
Full view - About this book

Euclid's Elements of geometry [book 1-6, 11,12] with explanatory notes ...

Euclides - 1845 - 544 pages
...ABD is equal to the whole angle ACD • (ax. 2.) and the angle BAC has been shewn to be equal to BDC; therefore the opposite sides and angles of a parallelogram are equal to one another. Also the diameter BC bisects it. For since AB is equal to CD, and BC common, the two sides AB, BC are equal...
Full view - About this book




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