 | William Findlay Shunk - 1880 - 362 pagina’s
...one-quarter of the circle, and is the measure of a right angle. Each degree is further divided into 00 equal parts called minutes, and each minute into 60 equal parts called seconds. Degrees, minutes, and seconds are denoted by the symbols °, ', ": thus the expression 7°... | |
 | George Woolworth Colton, Joseph Hutchins Colton - 1880 - 152 pagina’s
...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... | |
 | Charles Davies, Adrien Marie Legendre - 1885 - 538 pagina’s
...angle. For convenience, the quadrant is divided into 90 equal parts, each of which is called a degree ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds. Degrees, minutes, and seconds, are denoted by the symbols °, ', ". Thus, the expression 7°... | |
 | 1885 - 150 pagina’s
...Every circle is divided into 360 equal parts called degrees ; each degree is divided И" m' ... into GO equal parts called minutes; and each minute into 60 equal parts called seconds. The smaller the circle, the short- 18g er are the degrees. Degrees DECREES OF THE CIRCLE.... | |
 | Charles Davies - 1886 - 352 pagina’s
...for the measure. ment of angles. For this purpose it is divided into 360 equal parts called degrees, each degree into 60 equal parts called minutes, and each minute into 60 equal pans called second s. The degrees, minutes, and seconds are marked thus ° ' " ; and 9° 18' 16", are... | |
 | George Albert Wentworth - 1886 - 392 pagina’s
...about a point in a plane is divided into 360 equal parts, called degrees. Each degree is subdivided into 60 equal parts, called minutes, and each minute into 60 equal parts, called seconds. Likewise the circumference of a circle is divided into 3GO equal arcs, each corresponding... | |
 | William Findlay Shunk - 1886 - 376 pagina’s
...inclndes one-quarter of the circle, and is the measure of a right angle. Each degree is further divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds. Degrees, minutes, and seconds are denoted by the symbols °, 1, ": thus the expression 7°... | |
 | Nathaniel Bowditch - 1888 - 704 pagina’s
...the figure CAG. Nate. All circles, whether great or small, are supposed to have their circumference divided into 360 equal parts, called degrees ; and...minutes ; and each minute into 60 equal parts, called seconds ; and so on into thirds, fourths, Jtc. ; and an arc is said to be of as many degrees as it... | |
 | Nathan Fellowes Dupuis - 1889 - 370 pagina’s
...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 Theorem.... | |
 | William Findlay Shunk - 1890 - 360 pagina’s
...includes one-quarter of the circle, and is the measure of a right angle. Each degree is further divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds. Degrees, minutes, and seconds are denoted by the symbols °, ', ": thus the expression 7°... | |
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The circumference of every circle is supposed to be divided into 360 equal parts called degrees, and each degree into 60 equal parts called minutes, and each minute into 60 equal parts called seconds, and these into thirds, fourths, &c. 
