| Mathematics - 1801
...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, contained...which form that angle, the angular point being the** <?entrc ; and it is estimated by the nuaii bcr of degrees, contained in that arc. Hence a, right angle... | |
| Charles Hutton - Mathematics - 1807
...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...which form that angle, the angular point being the** centre ; and it is •estimated by the number of degrees contained in that arc. Hence, a right angle,... | |
| Peter Nicholson - 1809
...point, and ab, and bc, will be the two sides containing that angle. 53. The measure of any right lined **angle, is an arc of any circle contained between the two lines which form** the angle, the angular point being in the centre, as K. Thus . if the arc bed be double of the arc... | |
| Charles Hutton - Mathematics - 1811
...semicircle contains 1 80 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...which form that angle, the angular point being the** centre; and it is estimated by the number of degrees contained in that arc. Hence, a right angle, being... | |
| Charles Hutton - Mathematics - 1811
...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 between the two lines which form that angle, the** an gi ilar point being the centre; and it is estimated by the number of degrees contained in that arc.... | |
| Encyclopaedia Perthensis - 1816
...Hence a femicircle contains 180 degres, and a quadrant 90 degrees. 41. The MEASURE of a RECTILINEAL **ANGLE is an arc of any circle contained between the...which form that angle, the angular point being the** centre, and it is eftimated by the number of degrees in that arc. Fig. 15. 4t. IDENTICAL FIGURES are... | |
| Charles Hutton - Mathematics - 1816
...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...•which form that angle, the angular point being the** centre ; and it is estimated by the number of degrees contained in that arc. 59. Lines, or chords,... | |
| Encyclopedias and dictionaries - 1816
...a femicircle contains 180 degres, and a quadrant 90 degrees. 41. fhf MEASURE of a RECTILINEAL ANGLS **is an arc of any circle contained between the two...which form that angle, the angular point being the** centre, and it is eftimated by the number of degrees in that arc. Fig. 25. 42. IDENTICAL FIGURES are... | |
| Charles Hutton - Mathematics - 1822
...semicircle contains 100 degrees, and a quadrant 90 degrees. 3. The measure of an angle (Def. 58, Geom.) **is an arc of any circle contained between the two...which form that angle, the angular point being the** centre ; and it is estimated by the number of degrees continued in that arc. Hence, a right angle,... | |
| Thomas Curtis - Encyclopedias and dictionaries - 1829
...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...which form that angle, the angular point being the** centre, and it is estimated by the number of degrees in that arc. Fig. 25. 42. IDENTICAL FIGURES are... | |
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