 | Jedidiah Morse, Sidney Edwards Morse - Geography - 1826 - 350 pages
...the globe 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 degree is divided into 60 minutes ; and each minute into 60 seconds. They are marked thus 32° 14' 26" ; that is, 32 degrees,... | |
 | Francis Joseph Grund - Geometry, Plane - 1830 - 274 pages
...equilateral, when all its sides are equal. with any radius between its legs. Here the teacher may state, that the circle is divided into 360 equal parts, called degrees; each degree, again, into CO equal parts, called minutes ; a minute, again, subdivided into 60 equal puts, called... | |
 | Joseph Allen - America - 1832 - 128 pages
...globe, is divided into 360 equal parts, called degrees, and each degree contains about 09 A miles. Each degree is divided into 60 equal parts, called minutes, and each minute into 60 equal parts, called seconds. Questions for Review. How many degrees are there in the circumference... | |
 | Frederick Emerson - Arithmetic - 1834 - 300 pages
...GEOGRAPHICAL MEASURE. The circumference of the globe — like every other circle — is divided in 360 equal parts, called degrees. Each degree is divided into 60 equal parts called miles, or minutes. Three miles are called a league. On the equator, 69^ statute miles are equal to... | |
 | Francis Joseph Grund - Geometry, Plane - 1834 - 202 pages
...by arcs of circles, described with any radius between their legs. Here the teacher may state, that the circle is divided into 360 equal parts, called degrees ; each degree, again, into 60 equal parts, called minutes ; a minute, again, subdivided into 60 equal parts, called... | |
 | B[enjamin] Franklin Callender - Measurement - 1836 - 226 pages
...FART FIFTH. CHAPTER I. MENSURATION OF ANGLES AND TRIANGLES. SECTION I. Definitions and ProblemS. Every circle is divided into 360 equal parts, called degrees...degree is divided into 60 equal parts, called minutes ; each minute is divided into 60 equal parts, called seconds; seconds are divided in the same manner,... | |
 | Adrien Marie Legendre - Geometry - 1836 - 394 pages
...DIVISION OF THE CIRCUMFERENCE. I. For the purposes of trigonometrical calculation, the cir cumference of the circle 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 semicircumference,... | |
 | Charles Davies - Navigation - 1837 - 342 pages
...with the utmost accuracy. 41. For the purposes of trigonometrical calculations, the circumference of the circle 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. As the circumference... | |
 | Benjamin Peirce - Geometry - 1837 - 216 pages
...be divided into 360 equal arcs called degrees, and marked thus (°). For instance, 60° is read 60 degrees. Each degree is divided into 60 equal parts called minutes, and marked thus ('). Each minute is divided into 60 equal parts called seconds, and marked thus ("). When... | |
 | John Lee Comstock - Astronomy - 1838 - 268 pages
...surface as those of summer. OF LATITUDE AND LONGITUDE. Definitions. All circles surrounding the earth are divided into 360 equal parts called degrees ; each...into 60 equal parts called minutes, and each minute into 60 parts called seconds. The signs by which these are indicated are 360° degrees, 60' minutes,... | |
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Each degree is divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds. 
