| William A. Radford, Alfred Sidney Johnson - Architecture - 1909
...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,... | |
| Glenn Moody Hobbs - 1912
...protractor, Fig. 14, showing degrees and fractions of degrees, is necessary. Each degree is divided **into 60 equal parts called minutes, ', and each minute into 60 equal parts called** seconds, ". Thus to represent an angle of 23 degrees, 47 minutes, and 9 seconds, write 23° 47' 9".... | |
| John William Hopkins, Patrick Healy Underwood - Arithmetic - 1912
...units. The whole circumference is divided into 360 equal parts called degrees. Each degree is divided **into 60 equal parts called minutes, and each minute into 60 equal parts called** seconds. As one degree is ^^ of any circumference, a degree on one circle is not of the same size as... | |
| CLAUDE IRWIN PALMER - 1914
...turning. 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 ("). Starting from any position as initial side, it is evident that, for each position of the... | |
| George E. Mercer, Mabel Bonsall - Arithmetic - 1914
...circumference of every circle is divided into 360 equal parts called degrees, each degree into i50 **equal parts called minutes, and each minute into 60 equal parts called** seconds. 5J^ of a circumference is called 1 degree of arc. J of a circumference, or 90 degrees, is... | |
| Harmon Bay Niver - Geography - 1915 - 360 pages
...matter what size it may be, is divided into 360 equal parts called degrees. Each degree is divided **into 60 equal parts called minutes, and each minute into 60 equal parts called** seconds. The Equator and the meridian circles are called great circles, because they divide the earth... | |
| Nathaniel Bowditch - Nautical astronomy - 1916 - 836 pages
...to have their circumferences divided into 360 ecjual parts, called degrees; each degree is divided **into 60 equal parts, called minutes; and each minute into 60 equal parts, called** seconds; an arc is measured by the number of degrees, minutée, and seconds that it contains. . v ,... | |
| Ervin Kenison - Mechanical drawing - 1916 - 71 pages
...ie, it is /A = i of a circumference. In order to obtain accurate measurements each degree is divided **into 60 equal parts called minutes and each minute into 60 equal parts called** seconds. /esi I8O Fig. 67. Angular Measurement SOLIDS A solid has three dimensions — length, breadth,... | |
| Edward Vermilye Huntington, Louis Albert Fischer - Engineering - 1916 - 186 pages
...(360 degrees = 1 revolution.) 1 degree = 1° = Ую of a right angle. The degree is usually divided **into 60 equal parts called minutes ('), and each minute into 60 equal parts called** seconds ("); while the second is subdivided decimally. But for many purposes it is more convenient... | |
| Claude Irwin Palmer, Charles Wilbur Leigh - Logarithms - 1916 - 188 pages
...turning. 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 (")• Starting from any position as initial side, it is evident that, for each position of... | |
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