 | Thomas Milner - 1850 - 604 σελίδες
...hemispheres, as the equator, etc. Small circles divide the globe into two unequal parts, as the tropics, etc. Every circle is supposed to be divided into 360 equal parts, called degrees ; every degree into sixty equal parts, called minutes ; and every minute into sixty equal parts, called... | |
 | Benjamin Greenleaf - 1850 - 368 σελίδες
...the angle contained by the lines BA and AD is called the angle BAD, or DA B. 56. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 minutes, each minute into 60 seconds, and so on. Hence a semicircle contains... | |
 | Charles Davies - 1851 - 178 σελίδες
...bushels, pecks quarts, and pints. Circular Measure, or Motion. 1. For what is Circular Measure used ? Circular Measure is used in estimating latitude and longitude, and also in measuring the motions of th« heavenly bodies. 2. How is every circle supposed to be divided ? Every circle is supposed to be... | |
 | Alexander Ingram - 1851 - 202 σελίδες
...called a Quadrant ; and, if half a right angle, it is called an Octant. NOTE 2. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees, and a degree into 60 equal parts, called minutes, and a minute into 60 seconds, and so on. Degrees... | |
 | Richard Phillips (sir.) - 1851
...globe, and, consequently, divide it into two unequal parts. 107. All circles, whether great or less, are supposed to be divided into 360 equal parts, called degrees ; each degree into sixty equal parts, called minutes ; and each minute into sixty equal parts called seconds. Degrees... | |
 | Charles Davies - 1852 - 344 σελίδες
...March to the 1st day of January following, neither day named being counted ? CIRCULAR MEASURE. 118. Circular measure is used in estimating latitude and...also in measuring the motions of the heavenly bodies. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees. Each... | |
 | Charles Davies - 1852 - 412 σελίδες
...the six parts is given. 3. For the purpose of trigonometrical calculation, the circumference of the circle is supposed to be divided into 360 equal parts, called degrees ; each degree is supposed . to be divided into 60 equal parts, called minutes ; and each minute into 60 equal parts,... | |
 | Adrien Marie Legendre - 1852 - 436 σελίδες
...the six parts is given. 3. For the purpose of trigonometrical calculation, the circumference of the circle is supposed to be divided into 360 equal parts, called degrees ; each degree is supposed to be divided into 60 equal parts, called minutes; and each minute into 60 equal parts, called... | |
 | Jeremiah Joyce - 1852 - 430 σελίδες
...measured by the arcs of a circle 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,... | |
 | Charles Davies - 1886 - 340 σελίδες
...the six parts is given. 21. For the purpose of trigonometrical calculation, the circumference of the circle is supposed 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 00 equal parts,... | |
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The circumference of every circle is supposed to be divided into 360 equal parts, called degrees... 
