 | Thomas Kerigan - 1838 - 804 pàgines
...firmament. — The equator, or equinoctial, as well as all the other great circles of the spheres, is divided into 360 equal parts, called degrees ; each degree is divided into GO equal parts, called minutes, and each minute into 60 equal parts, called seconds. ,57 The Meridian... | |
 | Frederick Emerson - 1839 - 300 pàgines
...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-g- statute miles... | |
 | Charles Davies - 1840 - 264 pàgines
...circle. 7. 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 is divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds. The degrees, minutes, and... | |
 | Charles Davies - 1846 - 254 pàgines
...? The circumference of a circle is used for the measurement of angles. 26. How is it divided? It is divided into 360 equal parts called degrees, each degree is divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds. The degrees, minutes, and... | |
 | Charles Davies - 1847 - 368 pàgines
...longitude, and also in measuring the motions of the heavenly bodies. Every circle is supposed to be divided into 360 equal parts, called degrees. Each degree is divided into 60 minutes, and each minute into 60 seconds. TABLE. 60 seconds " make 1 minute, marked '. 60 minutes 1... | |
 | Charles Davies - 1847 - 368 pàgines
...longitude, and also in measuring the motions of the heavenly bodies. Every circle is supposed to be divided into 360 equal parts, called degrees. Each degree is divided into 60 minutes, and each minute into 60 seconds. TABLE. 60 seconds " make 1 minute, marked '. 60 minutes 1... | |
 | Charles Davies - 1848 - 88 pàgines
...the heavenly bodies. 2. How is every circle supposed to be divided ? Every circle is supposed to be divided into 360 equal parts, called degrees. Each degree is divided into 60 minutes, and each minute into 60 seconds. 3. Repeat the table. TABLE. 60 seconds " make 1 minute, marked... | |
 | Charles Davies - 1849 - 184 pàgines
...the heavenly bodies. 2. How is every circle supposed to be divided ? Every circle is supposed to be divided into 360 equal parts, called degrees. Each degree is divided into 60 minutes, and each minute into 60 seconds. Solid, or Cubic Measure. 1. For what is Solid, or Cubic Measure... | |
 | Charles Davies - 1851 - 178 pàgines
...th« heavenly bodies. 2. How is every circle supposed to be divided ? Every circle is supposed to be divided into 360 equal parts, called degrees. Each degree is divided into 60 minutes, and each minute into 60 seconds. Solid, or Cubic Measure. 1. For what is Solid, or Cubic Measure... | |
 | Dana Pond Colburn - 1852 - 228 pàgines
...called an arc. Every circumference of a. circle, whether the circle be large or small, is supposed to be divided into 360 equal parts called degrees. Each degree is divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds. A degree is to be regarded... | |
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Every circumference is regarded as being divided into 360 equal parts, called degrees. Each degree is divided into 60 equal parts, called minutes, and each minute into 60 seconds. These divisions are indicated by the marks ° ' ". Thus 28 degrees, 17... 
