Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Books Books
" EQUAL triangles upon the same base, and upon the same side of it, are between the same parallels. "
The Elements of Euclid; viz. the first six books,together with the eleventh ... - Page 40
by Euclides - 1841 - 351 pages
Full view - About this book

The First Two Books of the Elements of Euclid ... with Additional Figures ...

Euclides - 1852
...triangle ABC is equal to the triangle DEF. "Wherefore triangles, &c. QED BOOK I. PROP. XXXIX. THEOR. Equal triangles upon the same base, and upon the same...between the same parallels. Let the equal triangles ABC, DEC be upon the same base BC, and upon the same side of it; they arc between the same parallels. Join...
Full view - About this book

The Elements of Euclid [book 1] for beginners, by J. Lowres

Euclides - 1852
...the given number of parts, and drawing right lines to the vertex of the triangle. PROP. XXXIX. THEOR. Equal triangles upon the same base, and upon the same...between the same parallels. Let the equal triangles в A c and в D c be upon the same base вc, and on the same .--./ side of it : they are between the...
Full view - About this book

The geometry, by T. S. Davies. Conic sections, by Stephen Fenwick

Royal Military Academy, Woolwich - Mathematics - 1853
...triangle ABC is equal to the triangle DEF. Wherefore triangles etc. Q.. E, D. PROPOSITION XXXIX. THEOR. Equal triangles upon the same base, and upon the same...between the same parallels. Let the equal triangles ABC, DEC be upon the same base BC, and upon the same side of it : they are between the same parallels. Join...
Full view - About this book

The synoptical Euclid; being the first four books of Euclid's Elements of ...

Euclides - 1853
...The triangle ABC is equal to the triangle DEF. Wherefore, triangles, &c. QED PROP. XXXIX. THEOREM. Equal triangles upon the same base and upon the same side of it, are Let the equal triangles ABC, DBC, be upon the same base BC> and upon the same side of it ; they are...
Full view - About this book

The first six books of the Elements of Euclid, with numerous exercises

Euclides - Geometry - 1853 - 147 pages
...triangle abc is equal to the triangle def Wherefore triangles, &c. QED PROPOSITION XXXIX.— THEOREM. Equal triangles upon the same base, and upon the same side of ii, are between the same parallels. LET the equal triangles abc, dbc be upon the same base bc, an upon...
Full view - About this book

The popular educator, Volume 4; Volume 7

Popular educator - 1852
...parallel lines should be assumed as an axiom, on which reasonings on such lines may be founded ? 7. Equal triangles upon the same base, and upon the same side of it, are between the same parallels. Hence show that a triangle may be bisected by a line drawn "rom any point in one of its sides. 8. To...
Full view - About this book

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

John Playfair - Euclid's Elements - 1855 - 318 pages
...are equal (7. Ax.) ; therefore the triangle ABC is equal to the triangle DEF. PROP. XXXIX. THEOR. • Equal triangles upon the same base, and upon the same...triangles ABC, DBC be upon the same base BC, and upon the saJhe side of it ; they are between the same parallels. Join AD ; AD is parallel to BC ; for, if it...
Full view - About this book

The Elements of geometry; or, The first six books, with the eleventh and ...

Euclides - 1855
...divide it into equal triangles on opposite sides of the segments of the diagonal. PROP. XXXIX. THEOREM. Equal triangles upon the same base, and upon the same...between the same parallels. Let the equal triangles ABС, DB С, be upon the sате base B С, and upon the sате side of it. The triangles ABС, DB...
Full view - About this book

Minutes of the Committee of Council on Education

Great Britain. Committee on Education - School buildings - 1855
...angles; and the three interior angles of every triangle are together equal to two right angles. 4. Equal triangles upon the same base and upon the same side of it, are between the same parallels. A line drawn through the middle points of two sides of a triangle, will be parallel to the third side....
Full view - About this book

National Society's Monthly Paper

1855
...angles of every triangle are together equal to two right angles. 4. Equal triangles upon the same hase and upon the same side of it are between the same parallels . A. line drawn through the middle points of two sides of a triangle will be parallel to the third...
Full view - About this book




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