 | Edward Brooks - Arithmetic - 1877 - 250 pages
...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. 291. Any angle having its vertex at the centre, is... | |
 | Edward Brooks - Arithmetic - 1877 - 438 pages
...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 its vertex at the centre, is... | |
 | Edward Brooks - Arithmetic - 1877 - 444 pages
...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 GO equal parts, called seconds. 291. Any angle having its vertex at the centre, is... | |
 | Edward Brooks - Arithmetic - 1877 - 564 pages
...the 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 <50 equal parts called seconds. 400. Any angle having its vertex at the centre, is... | |
 | 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... | |
 | George Woolworth Colton, Joseph Hutchins Colton - Atlases - 1880 - 152 pages
...unequal parts. 4. For the purpose of measurement, every circle is conceived to be divided into 3(30 equal parts called Degrees ; each degree, into 60 equal parts called minutes; and each minute, into GO equal parts called Seconds. Degrees are marked °, minutes ', seconds ''. 5. The great circle which... | |
 | 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 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 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 (°), each degree into 60 parts called minutes (' ), and each minute into 60 parts called seconds ("). The distance then from... | |
 | 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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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. 
