 | James B. Dodd - 1852 - 410 páginas
...Circumference, and the Measure of Angles. § 304. The Circumference of every circle is conceived 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. Degrees, minutes, and seconds, are denoted thus... | |
 | Jeremiah Joyce - 1852 - 430 páginas
...contained by the two legs, having the angular point for its centre. 4. 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. Degrees, minutes, and seconds are marked at the... | |
 | James B. Dodd - 1853 - 398 páginas
...Circumference, and the Measure of Angles. § 393. The Circumference of every circle is conceived 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. Degrees, minutes, and seconds, are denoted thus... | |
 | Charles Davies, William Guy Peck - 1855 - 628 páginas
...computation. For the purpose of comparing angles in this system of measurement, the entire circumference 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. The right angle contains 90 degrees. The radius... | |
 | Charles Davies - 1855 - 340 páginas
...GEOMETRYDefinitions 28 The circumference of a 'circle is used for the measurement of angles- For this purpose it is divided into 360 equal parts called degrees, each degree into 60 equal parts called ninutes, and each minute into 60 equal parts called secondsThe degrees, minutes, and seconds are marked... | |
 | Charles Davies, William Guy Peck - 1855 - 592 páginas
...purpose of comparing angles in this system of measurement, the entire circumference is divided into 300 equal parts, called degrees, each degree into 60 equal parts, called minutes, and each minute into 60 equal parts, called seconds. The right angle contains 90 degrees. The radius... | |
 | Hiram Mattison - 1856 - 254 páginas
...is sometimes called radiations or radiance. 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. They are marked respectively thus: Degrees (°),... | |
 | Charles Davies, William Guy Peck - 1857 - 608 páginas
...purposes of trigonometrical computation, each quadrant or right angle is supposed to be divided into 90 equal parts, called degrees ; each degree into 60...; each minute into 60 equal parts, called seconds ; so that a right angle contains 32400 seconds. The complement of an angle, or arc, is the result .obtained... | |
 | Bourdon (M., Louis Pierre Marie) - 1858 - 262 páginas
...from a point within, called the centre. In all the scientific works in this country, the circumference is divided into 360 equal parts, called degrees (°)...(,); each minute into 60 equal parts, called seconds ("). This is called the sexagesimal division. When the French reformed their system of weights and... | |
 | John Hymers - 1858 - 292 páginas
...of being determined geometrically, and furnishes an invariable standard of angular measure) into 90 equal parts called degrees, each degree into 60 equal...minutes, each minute into 60 equal parts called seconds; then an angle is expressed by the number of degrees, minutes, seconds, and decimal parts of a second,... | |
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For the purpose of measuring angles, the circumference is divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; each minute into 60 equal parts called seconds. 
