| 1814 - 227 pągines
...DE. and it is a chord to both segments of the circle, as DFE and DGE. 12. A Circle is actually, or **supposed to be divided into 360 equal parts, called...each degree into 60 equal parts, called Minutes ; and** these into seconds, &c. 13. An Angle is so many degrees, as lines drawn from the centre of a circle,... | |
| Jedidiah Morse - 1814 - 670 pągines
...and the diameter is equal to two radii, or the longest straight line, that can be drawn in a circle. **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 the measure of an... | |
| John Gummere - 1814 - 346 pągines
...of a plane triangle, except the three angles, are given, the others are determined. 2. The periphery **of every circle is supposed to be divided into 360 equal parts, called degrees** ; each degree into 60 equal parts, called minutes ; and each minnte into 60 equal parts, called seconds,... | |
| Nathaniel Dwight - 1816 - 213 pągines
...parts ; and small circles, which divide it into unequal parts. Q. What are the degrees of a circle ? A. **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 seconds. Q. What is a meridian... | |
| John Bonnycastle - 1816 - 428 pągines
...and the equator, we are enabled to judge of the situation of the place with respect to its latitude. **Every circle is supposed to be divided into 360 equal parts, called degrees, and** every degree into sixty equal parts, called minutes; so that, from these considerations, you will readily... | |
| Thomas Keith, William Hawney - 1817
...the arc DE is the measure of the angle » BE, and the arc G n is the measure of the angle ABC. 14. **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.... | |
| Nathaniel Dwight - 1817 - 216 pągines
...Circles, which divide it into Unequal parts. Q. What are the Degrees of a Circle ?. A. The circumferer.ee **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 seconds. Q. What is... | |
| Charles Hutton - 1818
...the middle. Thus the angle contained by the lines BA and 3D is called the angle BAC BAD or DAB. 67. **The circumference of every circle is supposed to be...equal parts, called Degrees : and each degree into 60** Minutes, each minute into 60 Seconds, and so on. Hence a semicircle contains 180 degrees, and a quadrant... | |
| William Nicholson - 1819
...otherwise called a periphery ; the boundary of a right lined figure being expressed by the term perimeter. **The circumference of every circle is supposed to be divided into 360** degrees. The angle at the circumference of a circle is double that at the centre. For the ratio of... | |
| William Hawney - 1820 - 312 pągines
...thus the arch I)E is the 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 parts, called degrees** ; each degree into 60 equal parts, called minutes : and each minute into 60 equal parts, called seconds.... | |
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