 The circumference of a circle is divided into 360 equal parts, called degrees ; each degree into 60 minutes ; each minute into 60 seconds.  Arithmetic - Σελίδα 82των George Albert Wentworth - 1892 - 296 σελίδεςΠλήρης προβολή - Σχετικά με αυτό το βιβλίο
 | William Taylor (teacher of the mathematics.) - 1800 - 556 σελίδες
...is called a' femi-eircle • half the diameter is called the Radius. 8. 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, &c. Any part of... | |
 | Jedidiah Morse - 1814 - 696 σελίδες
...longest straight line, that can be drawn in a circle. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each...degree into 60 minutes ; each minute into 60 seconds. An arc of a circle is the measure of an angle. Thus a right angle is an angle of 90 degrees. An arc... | |
 | Jeremiah Day - 1815 - 172 σελίδες
...latter, a circle is introduced. The periphery of every circle, whether great or small, is supposed to be divided into 360 equal parts called degrees, each degree into 60 minutes, each minute into 60 second?. each second into 60 thirds, &c. marked with flie characters °, ', ", "', Sic. Thus 32° 24'... | |
 | Jeremiah Day - 1815 - 388 σελίδες
...latter, a circle is introduced. The periphery of every circle, whether great or small, is supposed to be divided into 360 equal parts called degrees, each degree into 60 minutes, each mintite into 60 seconds? each second into 60 thirds, fkc. marked with the characters •, ', ", "',... | |
 | Sidney Edwards Morse - 1822 - 706 σελίδες
...from one side of the circumference to the other. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each...degree into 60 minutes ; each minute into 60 seconds. An arc of a circle is part of its circumference. All angles are measured by arcs of circles, or by... | |
 | Sidney Edwards Morse - 1822 - 706 σελίδες
...from one side of the circumference to the other. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 minutes ; each minute into GO seconds. An arc of a circle is part of its circumference. All angles are measured by arcs of circles,... | |
 | Jeremiah Day - 1824 - 440 σελίδες
...latter, a circle is introduced. The periphery of every circle, whether great or small, is supposed to be divided into 360 equal parts called degrees, each...degree into 60 minutes, each minute into 60 seconds, each second into 60 thirds, &c. marked with the characters °, ', ", '", &c. Thus 32° 24' 1 3" 22"'... | |
 | Thomas Kerigan - 1828 - 776 σελίδες
...hemisphere, and the other, the southern hemisphere. — The equator, like all other great circles, is divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes } each minute into 60 equal parts, called seconds, and so on. The Meridian,... | |
 | Francis Joseph Grund - 1830 - 274 σελίδες
...the arcs intercepted between their legs are in proportion to the angles at the centre. Remark 2. If the circumference of a circle is divided into 360 equal parts, called degrees; each decree again into 60 equal parts, called minutes; each minute again into 60 equal parts, called seconds,... | |
 | Jeremiah Day - 1831 - 394 σελίδες
...latter, a circle is introduced. The periphery of every circle, whether great or small, is supposed to be divided into 360 equal parts called degrees, each...degree into 60 minutes, each minute into 60 seconds, each second into 60 thirds, &c, marked with the characters °, ', ", '", &c. Thus, 32° 24' 1 3" 22'"... | |
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