| Robert Gibson - 1821 - 544 páginas
...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 00 equal parts called seconds,** and- these into thirds, fourths, &c. these parts being greater or less as the radius is. 17. A chord... | |
| Joseph Emerson Worcester - 1822 - 322 páginas
...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 00 equal parts, called seconds.** They are marked thus, 23° 28' 16" ; i- e. 33 degrees, 28 minute!", and 16 seconds. The Equator is... | |
| Charles Davies - 1886 - 324 páginas
...to be divided into 360 equal parts, called degrees ; each degree is supposed to be di. rided into 60 **equal parts, called minutes ; and each minute into...called seconds. Degrees, minutes, and seconds, are** designated respectively DefInItIonsby the characters ° 1 "- For example, ten degrees, eighteen minutes,... | |
| Alfred Newsom Niblett - 1861
...circumference of every circle is supposed to be divided into 300 equal parts, called degrees; each degree **into 00 equal parts, called minutes; and each minute into 00 equal parts, called seconds.** The arc of a quadrant contains 90 degrees, which is the measure of a right angle. RULES. 1. Multiply... | |
| William Findlay Shunk - 1880 - 318 páginas
...circle being at the vertex, and its radius being 1. The circle, for convenience, is divided into 360 **equal parts called degrees; 90 of these parts are...00 equal parts called minutes, and each minute into** 60 equal parts called seconds. Degrees, minutes, and seconds are denoted by the symbols °, ', ": thus... | |
| William Findlay Shunk - 1886 - 325 páginas
...divided into 360 equal parts called degrees; 90 of these parts are inclnded in a quadrant, which 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,... | |
| Charles Davies - 1886 - 324 páginas
...to be divided into 360 «qual parts, called degrees ; each degree is supposed to be divided into 60 **equal parts, called minutes ; and each minute into 00 equal parts, called seconds.** TRIGONOMETRY Definitions. by the characters ° ' ". For example, ten degrees, eighteen minutes, and... | |
| William Findlay Shunk - 1890 - 339 páginas
...circle being at the vertex, and its radius being 1. The circle, for convenience, is divided into 360 **equal parts called degrees; 90 of these parts are...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,... | |
| International Correspondence Schools - 1900
...; every degree is subdivided into 60 equal parts, called minutes, and every minute is again divided **into 00 equal parts, called seconds. Degrees, minutes and seconds are denoted by the symbols** °, ', '. Thus, the expression 37° 14' 44', is read 37 degrees, 14 minutes and 44 seconds. Since one... | |
| Nathaniel Bowditch - 1906 - 652 páginas
...their circumferences divided into 360 equal parts, called degrees; each degree is divided into (Ю **equal parts, called minutes; and each minute into 00 equal parts, called seconds;** an arc is measured by the number of degrees, minutes, and seconds that it contains. A *¡>here is a... | |
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