 | Frederick Augustus Griffiths - 1859 - 426 σελίδες
...treats of the relations, and calculations of the sides, and angles of plane triangles. The measure of an angle is an arc of any circle contained between the...angle being measured by a quadrant, or quarter of a circle, is an angle of 90 degrees. The sum of the three angles of every triangle is equal to 180... | |
 | Charles Hutton - 1860 - 1020 σελίδες
...so on. Hence a semicircle contains 180 degrees, and • quadrant 90 degrees. 08. The Measure of an angle is an arc of any circle contained between the...lines which form that angle, the angular point being die c< litre ; and it is estimated by llie number of degrees contained in that ¡in-, 59. Lines, or... | |
 | William Grier - 1861 - 316 σελίδες
...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...estimated by the number of degrees contained in that arc. 59. Lines, or chords, are said to be Equidistant from the centre of a circle, when perpendiculars drawn... | |
 | Oliver Byrne - 1863 - 600 σελίδες
...parts, called degrees ; also each degree into 60 minutes, each minute into 60 seconds, and so onHence a semicircle contains 180 degrees, and a quadrant...estimated by the number of degrees contained in that arcHence, a right angle being measured by a quadrant, or quarter of the circle, is an angle of 90 degrees... | |
 | Thomas Baker (C.E.) - 1865 - 174 σελίδες
...seconds, &e. Hence a semicircle contains 180 degrees, and a quadrant 90 degrees. 28. The measure of an angle is an arc of any circle, contained between the two lines which form the angle, the angular point being the centre ; and is estimated by the number of degrees contained:... | |
 | Gerardus Beekman Docharty - 1867 - 474 σελίδες
...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...estimated by the number of degrees contained in that arc. 59. Lines or Chords are said to be equidistant from the centre of a circle when perpendiculars drawn... | |
 | Frederick Augustus Griffiths - 1868 - 540 σελίδες
...treats of the relations, and calculations of the sides, and angles of plane triangles. The measure of an angle is an arc of any circle contained between the...estimated by the number of degrees contained in that arc. Heuce a right angle being measured by a quadrant, or quarter of a circle, is an angle of 90 degrees.... | |
 | Thomas Baker - 1891 - 262 σελίδες
...seconds, &c. Hence a semicircle contains 180 degrees, and a quadrant 90 degrees. 28. The measure of an angle is an arc of any circle, contained between the two lines which form the angle, the angular point being the centre ; and it is estimated by the number of degrees contained... | |
 | 1923 - 494 σελίδες
...line is that which lies evenly between its extreme points." "The measure of an angle is the arc of a circle contained between the two lines which form that angle, the angular point being the centre." There are 51 problems. The first 40 of these are ordinary constructions of plane geometry. The next... | |
 | Anthony Nesbit - 1859 - 482 σελίδες
...of chords ; and it will show the number of degrees required. A " """c NOTE 1. — The measure of an angle is an arc of any circle contained between the...form that angle, the angular point being the centre of the circle ; and it is estimated by the number of degrees that are contained in that arc. NOTE 2.... | |
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Geom.) is an arc of any circle contained between the two lines which form that angle, the angular point being the centre ; and it is •estimated by the number of degrees contained in that arc. 
