The circumference of every circle is supposed to be divided into 360 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 90 degrees. The measure of the circle, perfected in January, 1845 - Side 70av John Davis (of Providence, R.I.) - 1854Uten tilgangsbegrensning - Om denne boken
| Benjamin Greenleaf - 1850 - 360 sider
...circle is supposed to be divided into 360 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 90 degrees.** GEOMETRICAL PROBLEMS. PROBLEM I. To divide a line, AB, into two equal parts. NOTE. — It would be... | |
| OLIVER BYRNE - 1852
...is supposed to be divided into 860 equal parts, called degrees ; also each degree into 60 minutes, **each minute into 60 seconds, and so on. Hence a semicircle contains 180 degrees, and a quadrant 90 degrees.** The measure of any angle is an arc of any circle contained between the two lines which form that angle,... | |
| Charles Haynes Haswell - 1858 - 322 sider
...Circumference of every circle is supposed to be divided into 360 equal parts, called Degrees ; each degree **into 60 Minutes, and each minute into 60 Seconds, and so on.** The Complement of an angle is what remains after subtracting the angle from 90 degrees. The Supplement... | |
| Robert Potts - 1860 - 361 sider
...of a circle may be found. If the right angle be considered as divided into 90 degrees, each degree **into 60 minutes, and each minute into 60 seconds, and so on,** according to the sexagesimal division of a degree ; by the aid of the first corollary to Prop. 32,... | |
| William Grier - 1861 - 305 sider
...circle is supposed to be divided into 360 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 90 degrees.** 58. The measure of an angle, is an arc of any circle contained between the two lines which form that... | |
| Robert Potts - 1864
...of a circle may be found. If the right angle be considered as divided into 90 degrees, each degree **into 60 minutes, and each minute into 60 seconds, and so on,** according to the sexagesimal division of a degree ; by the aid of the first corollary to Prop. 32,... | |
| Gerardus Beekman Docharty - 1867 - 283 sider
...circle is supposed to be divided into 360 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 90 degrees.** 58. The Measure of an angle is an arc of any circle contained between the two lines which form that... | |
| Robert Potts - 1868 - 410 sider
...of a circle may be found. If the right angle be considered as divided into 90 degrees, each degree **into 60 minutes, and each minute into 60 seconds, and so on,** according to the sexagesimal division of a degree ; by the aid of the first corollary to Prop. 32,... | |
| Robert Potts - 1876 - 403 sider
...of a circle may be found. If the right angle be considered as divided into 90 degrees, each degree **into 60 minutes, and each minute into 60 seconds, and so on,** according to the sexagesimal division of a degree; by the aid of the first c trollary to Prop. 32,... | |
| Charles Haynes Haswell - 1890 - 956 sider
...Circumference of every circle is supposed to be divided into 360 equal parts, termed Degrees ; each degree **into 60 Minutes, and each minute into 60 Seconds, and so on.** Complement of an angle is what remains after subtracting angle from go degrees. Supplement of an angle... | |
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