| Nathan Fellowes Dupuis - Geometry - 1894 - 313 pages
...For practical purposes the right angle is divided into 90 equal parts called degrees ; each degree is **divided into 60 equal parts called minutes ; and each minute into 60 equal parts called seconds.** 20 seconds and six-sevenths of a second, follows :— 51° 25' 42f". This is denoted as 42°. Theorem... | |
| Albert Newton Raub - Arithmetic - 1894 - 200 pages
...called a Diameter. 129. Every circumference is divided into 360 equal parts, called degrees; each degree **into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.** TABLE. 60 seconds (") =1 minute, (' ). 60 minutes = 1 degree, ( ° ). 30 degrees = 1 sign, s. 12 signs... | |
| William Mitchell Gillespie - Surveying - 1896 - 592 pages
...Every circumference is regarded as being divided into 360 equal parts, culled degrees. Each degree is **divided into 60 equal parts, called minutes, and each minute into 60** seconds. These divisions are indicated by the murks ° ' ". Thus 28 degrees, 17 minutes, and 49 seconds,... | |
| William James Milne - Geometry, Modern - 1899 - 258 pages
...been divided into 360 equal parts, called degrees; a degree into 60 equal parts, called minutes; a **minute into 60 equal parts, called seconds. Degrees, minutes, and seconds are** indicated in connection with numbers by the respective symbols °, ', ". 25 degrees, 18 minutes, 34... | |
| William James Milne - Geometry - 1899 - 404 pages
...been divided into 360 equal parts, called degrees; a degree into 60 equal parts, called minutes; a **minute into 60 equal parts, called seconds. Degrees, minutes, and seconds are** indicated in connection with numbers by the respective symbols °, ', ". 25 degrees, 18 minutes, 34... | |
| American School (Lansing, Ill.) - Algebra - 1902 - 80 pages
...angle of 45 degrees is measured by ^ of the circumference. 185. For accurate measurement each degree is **divided into 60 equal parts called minutes and each minute into 60 equal parts** ('ailed seconds. The symbols of degrees, minutes and seconds are °, ', ", respectively. To express... | |
| American School (Lansing, Ill.) - Engineering - 1903 - 426 pages
...angle of 45 degrees is measured by ^ of the circumference. 185. For accurate measurement each degree is **divided into 60 equal parts called minutes and each minute into 60 equal parts called seconds.** The symbols of degrees, minutes and seconds are °, ', ", respectively. To express 23 degrees, 47 minutes... | |
| Walter Nelson Bush, John Bernard Clarke - Geometry - 1905 - 378 pages
...its intercepted arc. The circumference is divided into 360 equal parts, called degrees ; each degree **into 60 equal parts, called minutes, and each minute into 60 equal parts, called seconds.** For brevity, an angle measured by an arc of 1° is called an angle of 1° ; etc. NOTE. — This division... | |
| John Marvin Colaw, Frank Williamson Duke - Arithmetic - 1906 - 408 pages
...passing around the earth on its surface ? 444. In measuring circumferences, each degree is divided in **60 equal parts, called minutes, and each minute into 60 equal parts, called seconds.** In this measure, degrees, minutes, and seconds are written with symbols. Thus, 3 degrees, 25 minutes,... | |
| William A. Radford - 1907 - 332 pages
...divided by mathematicians into 360 equal parts, called degrees ; each degree being again subdivided **into 60 equal parts, called minutes, and each minute into 60 equal parts called seconds.** Hence, it follows that the arc of a quarter circle or quadrant includes 90 degrees; that is, one-fourth... | |
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