 | Thomas Simpson - 1821 - 426 σελίδες
...about the circle, be supposed divided into some assigned number of equal parts. 2. The periphery of 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 60 equal parts, called... | |
 | Sidney Edwards Morse - 1822 - 706 σελίδες
...line drawn through the centre from one side of the circumference to the other. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 minutes ; each minute into 60 seconds. An arc of a circle is part of its circumference. All... | |
 | Joseph Emerson Worcester - 1822 - 354 σελίδες
...colurvs. equal parts. These are four, the two tropics, and (he two polar circles. 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 00 equal parts, called seconds. They are... | |
 | Sidney Edwards Morse - 1822 - 706 σελίδες
...line drawn through the centre from one side of the circumference to the other. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 minutes ; each minute into GO seconds. An arc of a circle is part of its circumference. All... | |
 | Anthony Nesbit, W. Little - 1822 - 916 σελίδες
...ADC. " *fi. A sector is any part of a circle bounded by an arc sad 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, &c. 48. The... | |
 | William Jillard Hort - 1822 - 308 σελίδες
...and in more modern times, Napier, the inventor of logarithms, and Briggs. In plane trigonometry, the circle is supposed to be divided into 360 equal parts, called degrees ; every degree into 60 equal parts, called minutes ; every minute into 60 equal parts, called seconds... | |
 | Anthony Nesbit - 1824 - 476 σελίδες
...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. 48. The arc... | |
 | Jeremiah Day - 1824 - 440 σελίδες
...measuring the latter, a circle is introduced. The periphery of every circle, whether great or small, is supposed to be divided into 360 equal parts called degrees, each degree into 60 minutes, each minute into 60 seconds, each second into 60 thirds, &c. marked with the characters... | |
 | Jedidiah Morse, Sidney Edwards Morse - 1824 - 372 σελίδες
...polar circles are less circles. Every circle is divided into 360 equal parts, called degrees; ear.h degree is divided into 60 minutes; and each minute into 60 seconds. They are marked thus 32° 14' 26"; that is, S2 degrees, 14 minutes, and 26 seconds. The equator is... | |
 | Jedidiah Morse, Sidney Edwards Morse - 1826 - 350 σελίδες
...into two unequal parts. The two tropics and the two polar circles are less circles. Every circle is divided into 360 equal parts, called degrees ; each...into 60 minutes ; and each minute into 60 seconds. They are marked thus 32° 14' 26" ; that is, 32 degrees, 14 minutes, and 26 seconds. The equator is... | |
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The circumference of every circle is supposed to be divided into 360 equal... 
