| Abel Flint - Deeds - 1818 - 184 pages
...the Circle into two equal parts, called Semicircles ; as AB or DE. Fig 5. 14. The Circumference 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... | |
| Miles Bland - Euclid's Elements - 1819 - 444 pages
...Till lately, Geometers almost unanimously agreed to divide the circumference of the circle into 36o **equal parts called Degrees ; each degree into 60 equal parts called Minutes** ; and each minute into 60 equal parts called Seconds, &c. This method appeared to the Greek Geometers... | |
| Miles Bland - Euclid's Elements - 1819 - 442 pages
...Till lately, Geometers almost unanimously agreed to divide the circumference of the circle into 36o **equal parts called Degrees ; each degree into 60 equal parts called Minutes;** and each minute into 60 equal parts called Seconds, &c. This method appeared to the Greek Geometers... | |
| William Hawney - Geometry - 1820 - 336 pages
...measure of the angle DBE aud the arch GH is the measure of the angle ABC. 1*. The circumference of **every circle is supposed to be divided into 360 equal...; each degree into 60 equal parts, called minutes** : and each minute into 60 equal parts, called seconds. Angles are measured by the number of degrees... | |
| Bewick Bridge - Algebra - 1821 - 648 pages
...For the purpose of exhibiting arithmetically the magnitude of angles, the whole circumference of the **circle is supposed to be divided into 360 equal parts,...each minute into 60 equal parts, called seconds; &c.** &c. And since arcs are the measures of angles, every angle may be said to be an angle of such number... | |
| Thomas Simpson - Algebra - 1821 - 426 pages
...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... | |
| Joseph Emerson Worcester - Atlases - 1822 - 354 pages
...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...; each degree into 60 equal parts, called minutes** ; and each minute into 00 equal parts, called seconds. They are marked thus, 23° 28' 16" ; i- e. 33... | |
| Anthony Nesbit, W. Little - Measurement - 1822 - 916 pages
...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...; each degree into 60 equal parts, called minutes;** and each minute into 60 equal parts, called seconds, &c. 48. The arc of a quadrant contains 90 degrees,... | |
| Sidney Edwards Morse - Atlases - 1822 - 706 pages
...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 angles... | |
| Sidney Edwards Morse - Atlases - 1822 - 706 pages
...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 angles... | |
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