| Elias Loomis - Geometry - 1871 - 302 pages
...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 pages
...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 - Circle-squaring - 1873 - 238 pages
...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 - Circle-squaring - 1874 - 207 pages
...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 pages
...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 - Trigonometry - 1876 - 208 pages
...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 - Arithmetic - 1877 - 438 pages
...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... | |
| Edward Brooks - Arithmetic - 1877 - 528 pages
...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 - Arithmetic - 1877 - 252 pages
...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 - Arithmetic - 1877 - 444 pages
...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... | |
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