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. Elements of Surveying - Página 21por Charles Davies - 1830 - 300 páginasVista completa - Acerca de este libro
| Elias Loomis - 1871 - 302 páginas
...plane triangles; Spherical Trigonometry treats of spherical 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... | |
| Hiram Mattison - 1872 - 264 páginas
...thns dispersed is sometimes called radiations or itldianr-6. All circles, whether great or small, are supposed to be divided into 360 equal parts, called degrees / each degree into 60 equal paits, called minutes; and each minute into 60 equal parts, called seconds. They are marked respectively... | |
| William Alexander Myers - 1873 - 238 páginas
...treats of plane triangles ; spherical trigonometry treats of spherical triangles. 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... | |
| William Alexander Myers - 1874 - 207 páginas
...treats of plane triangles ; spherical trigonometry treats of spherical triangles. 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... | |
| George Augustus Walton - 1876 - 358 páginas
...circumference, through the centre, to an opposite joint, is called a Diameter. 188. The circumference of any circle is supposed to be divided into 360 equal parts, called Degrees, each degree into (J0 Minutes, and each minute into 60 Seconds. TABLE, 60 seconds (") = 1 minute, marked '. 60' =1 degree,... | |
| Benjamin Greenleaf - 1876 - 204 páginas
...fixed upon as the unit of angular measure. For this purpose a right angle is generally divided into 90 equal parts called degrees, each degree into 60 equal parts called minutes, each minute into 60 equal parts called seconds ; then an angle is expressed by the number of degrees,... | |
| Edward Brooks - 1877 - 250 páginas
...circumference is called a quadrant. , 290. For the purpose of measuring angles, the circumference is divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes; each minute into 60 equal parts, called seconds. 291. Any angle having its vertex at the centre, is... | |
| Edward Brooks - 1877 - 444 páginas
...circumference is called a quadrant. 290. For the purpose of measuring angles, the circumference is divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes; each minute into GO equal parts, called seconds. 291. Any angle having its vertex at the centre, is... | |
| Edward Brooks - 1877 - 528 páginas
...circumference is called a quadrant. 399. For the purpose of measuring angles, the circumference is divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; each minute into 60 equal parts called seconds. 400. Any angle having its- vertex at the centre,... | |
| Edward Brooks - 1877 - 438 páginas
...circumference is called a quadrant. * 290. For the purpose of measuring angles, the circumference is divided into 360 equal parts, called degrees; each degree into 60 equal parts, called minutes; each minute into 60 equal parts, called seconds. 2O1. Any angle having its vertex at the centre, is... | |
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