 For this purpose it 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 degrees, minutes, and seconds, are marked thus, °, ', " ; and 9°...  First Lessons in Geometry: With Practical Applications in Mensuration, and ... - Page 20by Charles Davies - 1840 - 252 pagesFull view - About this book
 | Charles Davies - Arithmetic - 1856 - 450 pages
...heavenly bodies, and also in measuring angles. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees. Each degree is divided into CO minutes, and each minute into 60 seconds. TABLE. 422. For what is circular measure used \ How is... | |
 | William Mitchell Gillespie - Surveying - 1857 - 538 pages
...with an entire circumference, described with the same radius. Every circumference is regarded as being divided into 360 equal parts, called degrees. Each degree is divided into 60 equal part?, called minute*, and each minute into 60 seconds These divisions are indicated by the marks °... | |
 | Charles Haynes Haswell - Measurement - 1858 - 350 pages
...line drawn from the centre of it to its circumference. The Circumference of a Circle is assumed to be divided into 360 equal parts, called degrees; each degree is divided into 60 parts, called minutes ; each minute into 60 parts, called seconds ; and each second into 60 parts,... | |
 | Henry S. Merrett - 1863 - 476 pages
...plane figure bound by a curve line, called the circumference (it is often called the periphery), and is divided into 360 equal parts, called degrees ;...degree is divided into 60 equal parts, called minutes, each minute into 60 equal parts, called seconds, the next thirds, and so on. Degrees are expressed... | |
 | Henry S. Merrett - 1863 - 428 pages
...plane figure bound by a curve line, called the circumference (it is often called the periphery), and is divided into 360 equal parts, called degrees; each...degree is divided into 60 equal parts, called minutes, each minute into 60 equal parts, called seconds, the next thirds, and so on. Degrees are expressed... | |
 | Charles Davies - Arithmetic - 1863 - 346 pages
...in measuring the motions of the heavenly bodies. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees. Each degree is divided into 60 minutes, and each minute into 60 seconds. Table 60 Seconds ( " ) . . make 1 Minute, . . . marked '.... | |
 | C. Davies - 1867 - 342 pages
...and ono quarter of the circumference, as AC, is called a quadrant BC D BC B GEOMETRYDefinitions 28 The circumference of a circle is used for the measurement...divided into 360 equal parts called degrees, each degree into 60 equal parts called ninutes, and each minute into 60 equal parts called secondsThe degrees,... | |
 | Charles Davies - Arithmetic - 1867 - 486 pages
...heavenly bodies, and also in measuring angles. The circumference of every circle is supposed to be divide> into 360 equal parts, called degrees. Each degree is divided into 60 minutes, and each minute into 60 seconds. Table. 60 seconds ("). . . . mate 1 minute, marked ' 60 minutes... | |
 | John Reynell Morell - Geometry - 1871 - 156 pages
...(a). Fig- 9 (b). 90 16. To estimate the value of any arc of the circumference, it is supposed to be divided into 360 equal parts, called degrees; each...degree is divided into 60 equal parts called minutes, each minute is divided into 60 seconds, &c. Degrees, minutes, and seconds are expressed : — 45°... | |
 | Clement Mackrow - 1879 - 552 pages
...right angle is supposed to be divided into 90 equal parts, each of which parts is termed a degree ; each degree is divided into 60 equal parts, called minutes, and each minute is divided into 60 equal parts, called seconds. To express the measure of an angle in degrees and decimal... | |
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