| Anthony Nesbit - 1824 - 434 pągines
...part of a circle, as ADC. 46. A sector is any part of a circle bounded by an arc and two radii. 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 each minute into 60 equal parts, called seconds.... | |
| Samuel Adams (servant.), Sarah Adams - 1826
...is J3. ,\ Gross is 12 Dozen, or 144 A Pace is 3 Feet or a Yard. Mathematicians conceive every Circle **to be divided into 360 equal Parts, called Degrees, and each Degree into 60 equal parts, called** Seconds, and each Second subdivided into 60 smaller parts, called thirds, and so on. The Diameter of... | |
| Thomas Keith - 1826 - 442 pągines
...thus the arc ac is the 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... | |
| Thomas Keith - 1826 - 334 pągines
...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... | |
| James M'Intire - 1826 - 215 pągines
...which the sun describes by his annual progress in the heavens. The ecliptic cuts the equator in an **•The circumference of every circle is supposed to be divided into 360 equal** jjarts, called degrees; each degree into sixty equal parts, called minutes; each minute into sixty... | |
| James Ryan - 1827 - 272 pągines
...are there between the 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... | |
| Samuel Putnam - 1828 - 300 pągines
...greater part are poor 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... | |
| Montgomery Robert Bartlett - 1828
...7. The right lines, 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;... | |
| John Playfair - 1829 - 186 pągines
...will be the proper measure of the angle BGC. Mathematicians suppose the circumference of every circle **to be divided into 360 equal parts, called degrees,...equal parts, called minutes, and each minute into** £0 equal parts, called seconds, &c. Hence a right angle, being measured by a quadrant contains 90... | |
| Thomas Curtis - 1829
...and the oilier two sides are called the LEGS, or sometimes the base and perpendicular. Fig. 10. 40. **The circumference of every circle is supposed to be...equal parts, called DEGREES, and each degree into** sixty MIMUTES, each minute into sixty SECOND, and so on. Hence a semicircle contains 180 degrees, and... | |
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