 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.  School Arithmetic; Advanced Book - Page 217by John Marvin Colaw, John Kelley Elkwood - 1900 - 442 pagesFull view - About this book
 | Edward Brooks - Arithmetic - 1877 - 438 pages
...is an arc. An arc of one-fourth of the 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... | |
 | Edward Brooks - Arithmetic - 1877 - 528 pages
...is an arc. An arc of one-fourth of the circumference is called a quadrant. 399. For the purpose of measuring angles, the circumference is divided into...equal parts, called degrees ; each degree into 60 equal parts, called minutes ; each minute into 60 equal parts called seconds. 400. Any angle having... | |
 | Albert Newton Raub - Arithmetic - 1877 - 176 pages
...passing through the centre and limited by the circumference, as AD, is 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... | |
 | William Henry Rosser - 1877 - 158 pages
...any portion (long or short) of the circumference, as AF, or B r. The circumference of every circle 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; which are respectively... | |
 | George Augustus Walton, Electa Nobles Lincoln Walton - Arithmetic - 1877 - 348 pages
...plane surface ; circle ; circumference ; arc ; radius ; diameter. 330. The circumference of a circle is divided into 360 equal parts called degrees, each degree into 60 minutes, and each minute into 60 seconds. These are the units of CIRCULAR MEASURE. • TABLE. 60 seconds... | |
 | Charles Scott Venable - 1881 - 380 pages
...or its direct measure. SCHOLIUM 2. In order to facilitate the comparison of angles by means of arcs, 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. Arcs are valued in... | |
 | George Albert Wentworth, Thomas Hill - Arithmetic - 1881 - 446 pages
...1900, 1924, 2000 are leap years? ClBCULAB AND AHGULAB MEASUBES. 302. The circumference of every circle is divided into 360 equal parts, called degrees ; each degree into 60 minutes, and each minute into 60 seconds. 60 seconds (") = 1 minute ('). 60' =1 degree (°). 360°... | |
 | George Dallas Lind - Education - 1882 - 544 pages
...with it called parallels of latitude), is called longitude. 7. Every circle, whether great or small, is divided into 360 equal parts called degrees (°),...(' ), and each minute into 60 parts called seconds ("). The distance then from the equator to either pole is 90°. There can be then but 90° north or... | |
 | George Albert Wentworth, Thomas Hill - Arithmetic - 1882 - 376 pages
...1900, 1924, 2000 are leap years? ClRCULAR AND ANGULAR MEASURES. 302. The circumference of every circle is divided into 360 equal parts, called degrees ; each degree into 60 minutes, and each minute into 60 seconds. 60 seconds (") = 1 minute ('). 60' =1 degree (°). 360°... | |
 | George Albert Wentworth, George Anthony Hill - Arithmetic - 1887 - 448 pages
...degree (°). 90 degrees = 1 right angle. 360 degrees = 1 revolution. The circumference of a circle is divided into 360 equal parts, called degrees ; each degree into 60 minutes ; each minute into 60 seconds. The larger the circle, the greater the length of 1 degree. 1... | |
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