Hidden fields
Books Books
" ... step on, leaving at each step a very fine dot ; and when it is found that the last dot either falls short of or overpasses the end of the line, the opening is adjusted accordingly, until perfect accuracy is obtained. Thus, if a line were divided into... "
Chambers's Encyclopaedia: A Dictionary of Universal Knowledge for the People - Page 40
1868
Full view - About this book

An Introduction to the Theory and Practice of Plane and Spherical ...

Thomas Keith - Navigation - 1810 - 478 pages
...from one extremity of the arc to the other. Thus bn is the chord of the arc bu, or of the arc HAFBni. The chord of an arc of 60° is equal to the radius of the circle.* (H) The complement of any arc is the difference between that arc and a quadrant. Or...
Full view - About this book

Minutes of Proceedings of the Institution of Civil Engineers, Volume 90

Institution of Civil Engineers (Great Britain) - Civil engineering - 1887 - 642 pages
...accurately can the angles be plotted if a greater multiple of 57 • 3 millimetres bo used as radius. As the chord of an arc of 60° is equal to the radius, that angle can be readily plotted, and angles greater or less can be arranged thus, and easily measured...
Full view - About this book

An introduction to the theory ... of plane and spherical trigonometry ...

Thomas Keith - 1839 - 498 pages
...from one extremity of the arc to the other. Thus bn is the chord of the arc In, or of the arc HAFBD&. The chord of an arc of 60° is equal to the radius of the circle.* (96) The complement of any arc is the difference between that arc and a quadrant. Or...
Full view - About this book

An Epitome of Navigation and Nautical Astronomy, with Improved Lunar Tables ...

Janet Taylor - Nautical astronomy - 1851 - 674 pages
...one extremity of the arc to the other. Thus, NO is the chord of the arc NBO, or of the arc NWMPBO. The chord of an arc of 60°, is equal to the radius of the circle. From these definitions, it is obvious that every degree in the quadrantal arc EM (with...
Full view - About this book

The popular educator, Volume 4; Volume 7

Popular educator - 1852 - 1272 pages
...arc A M. The •/...'' of a tirth part of the circle is equal to the radius of the circle, that is, the chord of an arc of 60° is equal to the radius. In the construction of the Trigonometrical Lines on the Plane Sea!e, fig. 2, p. 13, vol. iv., the Line...
Full view - About this book

Chambers's Encyclopaedia: A Dictionary of Universal Knowledge for ..., Volume 5

Encyclopedias and dictionaries - 1868 - 872 pages
...divided into a thousand parts, and each division were ю'ол^Ь too long or too short, the error woidd amount to a whole division at the end of a thousand...accurate, and has been adopted by Graham, Bird, Ramsden, Tvoughton, and other eminent nrtists in original graduation. Curved lines are divided on this principle....
Full view - About this book

An Elementary Course of Plane Geometry

Richard Wormell - Geometry, Modern - 1868 - 286 pages
...chords which form the sides of the regular polygons mentioned above, taking the radius as the unit. The chord of an arc of 60° is equal to the radius. 297. The chord in this case is the sidg of the inscribed hexagon. Join the extremities of the arc to...
Full view - About this book

Chambers's Encyclopædia: A Dictionary of Universal Knowledge for ..., Volume 5

Ephraim Chambers - Encyclopedias and dictionaries - 1870 - 852 pages
...accuracy is obtained. Thus, if a line were divided into a thousand parts, and each division were m'ooth too long or too short, the error would amount to a...most accurate, and has been adopted by Graham, Bird, Kamsden, Troughton. and other eminent artists in original graduation. Curved lines are divided on this...
Full view - About this book

An Elementary Course of Plane Geometry

Richard Wormell - Geometry, Plane - 1870 - 304 pages
...chords which form the sides of the regular polygons mentioned above, taking the radius as the unit. The chord of an arc of 60° is equal to the radius. 297. The chord in this case is the side of the inscribed hexagon. Join the extremities of the arc to...
Full view - About this book

Elements of geometry, with ... trigonometry

André Darré - 1872 - 226 pages
...Because every one of the three angles may be taken for the vertex of an isosceles triangle. THEOREM. 52. The chord of an arc of 60° is equal to the radius of the circle. Let BE (Fig. 49) be the chord of an arc of 60°. Draw the radii CB and CE. Then CBE...
Full view - About this book




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