 | Thomas Kentish - 1854 - 268 pages
...The student will find these problems repeated at the end of the Uses of the Slide Rule. TRIGONOMETRY. THE circumference of a circle is supposed to be divided into 360 equal parts, called degrees. Each degree is divided into 60 minutes; each minute into 60 seconds ;... | |
 | Elias Loomis - Trigonometry - 1855 - 192 pages
...triangles. (19.) The circumference of every circle is supposed to' be divided into 360 equal parts, called degrees ; each degree into 60 minutes, and each minute into 60 seconds. Degrees, minutes, and seconds are designated by the characters °, ', ". Thus 23° 14' 35" is read... | |
 | William Pease - 1856 - 108 pages
...of the circle, a standard of measurement for angles has been obtained. Among English mathematicians, the circumference of a circle is supposed to be divided into 360 equal parts, called degrees ; an angle which is formed by two radii will therefore contain a certain... | |
 | Charles Haynes Haswell - Measurement - 1858 - 350 pages
...of the arc. The Circumference of every circle is supposed to be divided into 360 equal parts, called Degrees ; each degree into 60 Minutes, and each minute into 60 Seconds, and so on. The Complement of an angle is what remains after subtracting the angle from 90 degrees.... | |
 | Elias Loomis - Logarithms - 1859 - 372 pages
...triangles. (19.) The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 minutes, and each minute into 60 seconds. Degrees, minutes, and seconds are designated by the characters °, ', ". Thus 23° 14' 35" is read... | |
 | Robert Potts - Geometry, Plane - 1860 - 380 pages
...of the circumference of a circle may be found. If the right angle be considered as divided into 90 degrees, each degree into 60 minutes, and each minute into 60 seconds, and so on, according to the sexagesimal division of a degree ; by the aid of the first corollary to... | |
 | John Lockhart (of Kirkcaldy.) - 1862 - 216 pages
...? A great circle. And all others are called ? Small circles. Every circle, whether great or small, is supposed to be divided into ? 360 degrees. Each degree into ? 60 minutes. And each minute into 1 60 seconds. It is evident, therefore, that the magnitude of degrees, minutes, and seconds, depends... | |
 | Samuel Maunder - World history - 1862 - 820 pages
...Arctic and Antarctic circles. All circles are considered as divisible into 360 equal parts, called degrees ; each degree into 60 minutes, and each minute into 60 seconds : a degree is thus marked », a minute thus', and a second thus ": so that ifS0 52' 36" means 28 degrees,... | |
 | Evan Wilhelm Evans - Geometry - 1862 - 116 pages
...subtended angle. To this end the circumference is conceived to be divided into 360 equal parts, called degrees, each degree into 60 minutes, and each minute into 60 seconds. Then whatever number of degrees, etc., an arc contains, the same number will denote the magnitude of... | |
 | George Augustus Walton - Arithmetic - 1864 - 364 pages
...Diameter. 188. The circumference of any circle is supposed to be divided into 360 equal parts, called Degrees, each degree into 60 Minutes, and each minute into 60 Seconds. TABLE. 60 seconds (") = 1 minute, marked '. 60' =1 degree, " °. 360 ° =1 circumference, " circ. 189.... | |
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The circumference of a circle is supposed to be divided into 360 equal parts, called degrees; each degree into 60 minutes, and each minute into 60 seconds. Degrees, minutes, and seconds are designated by the characters °, ', ". Thus 23° 14' 35" is read... 
