Verborgen velden
Boeken Boek
" Straight lines which are parallel to the same straight line are parallel to one another. Triangles and Rectilinear Figures. The sum of the angles of a triangle is equal to two right angles. "
Queen's scholarship examination. Amner's eight years' scholarship questions ... - Pagina 45
door Joseph Wollman - 1879
Volledige weergave - Over dit boek

The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago ...

Robert Simson - 1806 - 546 pagina’s
...also BGH, GHD are equal to two right angles. Wherefore, if a straight line, &c. QED PROP. XXX. THEOR. STRAIGHT lines which are parallel to the same straight line are parallel to one another. Let AB, CD be each of them parallel to EF ; AB is also parallel to CD. Let the straight...
Volledige weergave - Over dit boek

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

John Playfair - 1806 - 320 pagina’s
...towards L and D, they will meet if produced towards K and C. Book I. *-^wd PROP. XXX. THEOR. * • • STRAIGHT lines which are parallel to the same straight line are parallel to one another. Let AB, CD be each of them parallel to EF ; AB is also parallel to CD. Let the straight...
Volledige weergave - Over dit boek

Elements of Geometry, Geometrical Analysis, and Plane Trigonometry: With an ...

Sir John Leslie - 1809 - 522 pagina’s
...and CBA would be equal (I. 3.) and consequently the base DB equal to AC. PROP. XXXII. THEOR. Lines parallel to the same straight line, are parallel to each other. If the straight line AB be parallel to CD, and CD parallel to EF; then is AB parallel to EF. For let the...
Volledige weergave - Over dit boek

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

Euclides - 1814 - 560 pagina’s
...therefore also BGH, GHD are equal to two right angles. Wherefore, if a straight, &c. QED PROP. XXX. THEOR. STRAIGHT lines which are parallel to the same straight line are parallel to each other. ' Let the straight line GHK cut AB, EF, CD; and because GHK cuts the parallel / straight lines AB,...
Volledige weergave - Over dit boek

The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ...

Euclides - 1816 - 588 pagina’s
...therefore also BGH, GHD are equal to two right angles. Wherefore, if a straight, &c. QED PROP. XXX. THEOR. STRAIGHT lines which are parallel to the same straight line are parallel to each other. Let AB, CD be each of them parallel to EF ; AB is also parallel to CD. Let the straight line GHK cut...
Volledige weergave - Over dit boek

Elements of Geometry and Plane Trigonometry: With an Appendix, and Copious ...

Sir John Leslie - 1817 - 456 pagina’s
...these angles being alternate, BC must also be parallel to AD (I. 22. cor.) PROP. XXVIII. THEOR. Lines parallel to the same straight line, are parallel to each other. If the straight line AB be parallel to CD, and CD parallel to EF; then is AB parallel to EF. For let a...
Volledige weergave - Over dit boek

A Popular Course of Pure and Mixed Mathematics ...: With Tables of ...

Peter Nicholson - 1825 - 1046 pagina’s
...BGH, GH D are equal to two right angles. Wherefore, if a straight, &c. QED Proposition XXX. Theorem. Straight lines which are parallel to the same straight line are parallel to one another. Lei AB, CD be each of them parallel to EF j AB a alto parallel to CD. Let the straight...
Volledige weergave - Over dit boek

Elements of Arithmetic, Algebra, and Geometry

George Lees - 1826 - 276 pagina’s
...parallel, and since they do not meet towards L and D, they must meet if produced towards K and C. Cor. 2. Straight lines which are parallel to the same straight line, are parallel to one another. Scholium. This proposition suggests an 'easy method of drawing a parallel to a given straight...
Volledige weergave - Over dit boek

The Elements of Euclid: The Errors by which Theon, Or Others, Have Long ...

Robert Simson - 1827 - 546 pagina’s
...GHD are equal f to two right angles. Wherefore, if a straight line, &c. Q. £. D. PROP. XXX. THEOR. Straight lines which are parallel to the same straight line are parallel to each other. Let AB, CD be each of them parallel to EF: AB shall be parallel to CD. Let the straight line GHK cut...
Volledige weergave - Over dit boek

Elements of Geometry: With Notes

John Radford Young - 1827 - 246 pagina’s
...one parallel to a straight line cannot be drawn. • Cor. 3. And therefore two straight lines that are parallel to the same straight line are parallel to each other, for if they could meet, the last corollary would be contradicted. PROPOSITION xiv. THEOREM. ( Converse...
Volledige weergave - Over dit boek




  1. Mijn bibliotheek
  2. Help
  3. Geavanceerd zoeken naar boeken
  4. ePub downloaden
  5. Pdf downloaden