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 Hodson - 1806
...each degree fubdividrd into 60 minutes, each minute into 60 feconds, and fo on ; hence a femicircle **contains 180 degrees, and a quadrant 90 degrees, which...form a right angle, and half a quadrant, called an** oftant, contains 45 degrees; for the meafure of crew right-line angle is an arc of a circle contained... | |
| Charles Hutton - 1807
...56) is supposed to be divided into 360 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.** 3. The Measure of an angle (Def. 57, Geom.) is an arc of any circle contained between the two lines... | |
| Samuel Webber - 1808
...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** 1 80 degrees, and a quadrant 90 degrees, 57. The measure of a rightlined angle is an arc of any circle,... | |
| Charles Hutton - 1811
...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, and so on. Hence a semicircle contains** 1 80 degrees, and a quadrant 90 degrees. 3. The Measure of an angle (Def. 57, Geom.) is an arc of any... | |
| Charles Hutton - 1811
...in Gebm. 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, and so on. Hence a** seinicircle contains 1 80 degrees, and a quadrant 90 degrees. 3. Th'e Measure of an angle (Def. 57,... | |
| Charles Hutton - 1811
...circle is supposed to be divided into 360 equnl parts, called Degrees : and each degree into 60 Minutes, **each minute into 60 Seconds, and so on. Hence a semicircle contains** 1 80 degrees, and a quadrant 90 degrees. 58. The Measure of an angle, is an arc of any circle contained... | |
| Charles Hutton - 1816
...to be divided into 360 equals p >rts, called Degrees : and each degree into 60 Minutes, each minutes **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... | |
| Charles Hutton - 1818
...is supposed to be divided into 360 equal parts, called Degrees ; also each degree into 60 Minutes, **each minute into 60 Seconds, and so on. Hence a semicircle contains** 1 80 degrees, and a quadrant 90 degrees. 3. The measure of an angle (Def. 58, Geom.) is an arc of any... | |
| Charles Hutton - 1822
...is supposed to be divided into 360 equal parts, called Degrees ; also each degree into 60 Minutes, **each minute into 60 Seconds, and so on. Hence a semicircle contains** 100 degrees, and a quadrant 90 degrees. 3. The measure of an angle (Def. 58, Geom.) is an arc of any... | |
| Charles Hutton - 1825
...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** dearees, and a quadrant 90 degrees. 58. The Measure of an angle, is an arc of any circle contained... | |
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