Books Books 1 - 10 of 180 on The circumference of every circle is supposed to be divided into 360 equal.... The circumference of every circle is supposed to be divided into 360 equal... Arithmetic: Designed for Academies and Schools, Uniting the Inductive ... - Page 115
by Charles Davies - 1847 - 360 pages ## Mathematics: Compiled from the Best Authors and Intended to be the ..., Volume 1

Samuel Webber - Mathematics - 1801
...which stands at the angular point, is rend in the middle. C 56. The 39° 5 6. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 minutes, each minute into do seconds, and so on. Hence a semicircle contains... ## The elements of natural or experimental philosophy, Volume 4

Tiberius Cavallo - 1803
...circle ; but for the conveniency of expreffing this part, the whole circle is divided, or is fuppofed to be divided, into 360 equal parts called degrees* each degree is fubdivided into 60 equal parts called minutes, each minute is divided into 60 eqiial parts ca.\\zAfeconds... ## A System of Geometry and Trigonometry: Together with a Treatise on Surveying ...

Abel Flint - Surveying - 1804 - 168 pages
...divides the Circle into two equal parts, called Semicircles ; as AB or DE. 14. The. Circumference of every Circle is supposed to be Divided into 360 equal parts, called Degrees ; and each Degree into 60 equal parts, called Minutes ; and each Minute into 60 equal parts, called... ## A Treatise on Plane and Spherical Trigonometry: With Their Most Useful ...

John Bonnycastle - Trigonometry - 1806 - 419 pages
...by an arc of a circle contained between its two legs, and having the angular point for its centre. Every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; each minute into 60 equal parts, called seconds ; &c. So that... ## A Treatise of Practical Surveying: Which is Demonstrated from Its First ...

Robert Gibson - Surveying - 1806 - 452 pages
...parts called semicircles ; and is double the radius, as AB or DE. fig. 8. • 18. The circumference of every circle is supposed to be divided into 360 equal parts called degrees, and each degree into 60 equal parts called minutes, and each minute into 60 equal parts called seconds,... ## The Theory and Practice of Finding the Longitude at Sea Or Land ..., Volume 1

Andrew Mackay - Latitude - 1809 - 8 pages
...celestial Equator or EQUINOCTIAL. The Equator as well as all other great circles of the sphere, is divided into 360 equal parts, called degrees ;* each degree is divided into 6O equal parts, called minutes; and the sexagesimal division is continued. The MERIDIAN of any place,... ## An Introduction to the Theory and Practice of Plane and Spherical ...

Thomas Keith - Navigation - 1810 - 420 pages
...the measure of the angle aBC and the arc DE is the measure of the angle ABC. (H) The circumference of every circle is supposed to be divided into 360 equal parts called degrees, each degree into 60 equal parts called minutes, each minute into 60 equal parts called seconds. The angles are... ## Trigonometry, Plane and Spherical: With the Construction and Application of ...

Thomas Simpson - Trigonometry - 1810 - 125 pages
...about the circle be supposed divided into some assigned number of equal parts. 2. The periphery of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called... ## The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ...

Euclid - Geometry - 1810 - 518 pages
...meeting BA, BC in A, C; the arch AC is called the measure of the angle ABC. II. The circumference of a circle is supposed to be divided into 360 equal parts called degrees, and each degree into 60 equal parts called minutes, and each minute into 60 equal parts called seconds,... 