 | George G. Carey - 1825 - 274 σελίδες
...still be in the plane of the circle. 8. Degrees, fyc. — All circles, whether great or small, are supposed to be 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.f 9.... | |
 | Thomas Keith - 1826 - 504 σελίδες
...measure of the angle авс and the arc DE is the measure of the angle ABC. (H) The circumference of every circle is supposed to be divided into 360 equal parts called degrees, each degree into 60 equal parts called minutes, each minute into 60 equal parts called seconds. The angles are... | |
 | Thomas Keith - 1826 - 360 σελίδες
...1820, is 14° 13' 7" ; and its declination 88° 20' 55" N. Connoissance des Terns, for 1820, p. 168. t Every circle is supposed to be divided into 360 equal parts called degrees ; each minute, into 60 equal parts called seconds, &c. : (a degree therefore is of different lineal extent,... | |
 | Charles Augustus Goodrich - 1826 - 294 σελίδες
...equal parts, called degrees. A degret on the earth is 60 geographical, or nearly 69 1-10 common miles; each degree is divided into 60 minutes, and each minute into 60 seconds. They are marked thus : 24° 12 40" ; that is, 24 degrees, 12 minutes, and 40 seconds. What is the equator... | |
 | James Ryan - 1827 - 290 σελίδες
...17th of March and the 25th of December ? Ans. 283. Division of the Circle. 47. The circumference of every circle is supposed to be divided into 360 equal parts called degrees — each degree is subdivided into 60 equal parts called minutes — each minute into 60 equal parts called seconds-^—... | |
 | Robert Simson - 1827 - 546 σελίδες
...meeting BA, BC, in A, C ; the arch AC is called the measure of the angle ABC. II. The circumference of a 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,... | |
 | Montgomery Robert Bartlett - 1828 - 426 σελίδες
...A, C, I,, and B, C, E, divide the circle inUlour equal parts called quadrants. The circumference of every circle, is supposed to be divided into 360 equal parts, called degrees; each degree into 60 equal parts called minutes; and each minute into 60 equal parts, called seconds; and these... | |
 | Samuel Putnam - 1828 - 314 σελίδες
...and destitute. • ANGLE, a corner, formed usually by the meeting of two lines. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees. A semi-circle, of course, contains li!0 degress, and a quadrant, or quarter of a circle, contains SO... | |
 | John Bonnycastle - 1829 - 256 σελίδες
...and the other two sides are called legs. PRACTICAL GEOMETRY. 21 D / -E B *47. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees; each degree into 60 equal parts, called minutes; and so on. 48. The measure of any right-lined angle is an arc... | |
 | Thomas Curtis - 1829 - 814 σελίδες
...sides are called the LEGS, or sometimes the base and perpendicular. Fig. 10. 40. The circumference of every circle is supposed to be divided into 360 equal parts, called DEGREES, and each degree into sixty MIMUTES, each minute into sixty SECOND, and so on. Hence a semicircle contains... | |
| |
The circumference of every circle is supposed to be divided into 360 equal... 
