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
| Thomas Curtis - 1829
...360 equal parts, called DEGREES, and each degree into sixty MIMUTES, each minute into sixty SECOND, **and so on. Hence a semicircle contains 180 degrees, and a quadrant** ninety degrees. 41. The MEASURE OF A RECTILINEAL ANGLE is an arc of any circle contained between the... | |
| Charles Hutton - 1831
...in Geom. Def. 56) is supposed to be divided into 360 equal parts, called Degrees ; also each degree **into 60 Minutes, and each minute into 60 Seconds,...semicircle contains 180 degrees, and a quadrant 90 degrees.** 3. The Measure of an angle (Def. 57, Geom.) is an arc of any circle contained between the two lines... | |
| Charles Hutton - 1831
...divided into 360 equal parts, called Degrees ; also each degree into 60 Minutes, and each minute into CO **Seconds, and so on. Hence a semicircle contains 180 degrees, and a quadrant 90 degrees,** 3. The Measure of an angle (Def. 57, Geom.) is an arc of any circle contained between the two lines... | |
| William Grier - 1832
...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... | |
| William Grier - 1836 - 344 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... | |
| William Grier - 1836 - 344 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** I8O degrees, and a quadrant 90 degrees. 58. The Measure of an angle, is an arc of any circle contained... | |
| Benjamin Greenleaf - 1839 - 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.** D B .E GEOMETRICAL PROBLEMS. PROBLEM I. To divide a line A, B into two equal parti. \/ A Set one foot... | |
| William Grier - 1842 - 308 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... | |
| Joseph Gwilt - 1842 - 1089 sider
...parts, called degrees, and that each degree is subdivided into 60 minutes, these minutes each into 6O **seconds, and so on. Hence a semicircle contains 180 degrees, and a quadrant** 9O degrees. 1035. The measure of an angle is that arc of a circle contained between those two lines... | |
| Charles Haynes Haswell - 1844 - 264 sider
...Circumference of everjr circle is supposed to be divided into 360 cqnal 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... | |
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