 | John Weale - 1850 - 590 Seiten
...plane, and this plane is called a section. Definitions of solids : 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 the centre. A prism is a solid, the ends of which are similar and... | |
 | Thomas Baker - 1850 - 244 Seiten
...&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... | |
 | Oliver Byrne - 1852 - 604 Seiten
...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...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 measured by a... | |
 | Edward Shaw - 1852 - 426 Seiten
...and ab and b с 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 b с d be double of the arc... | |
 | Lucius D. Gould - 1853 - 234 Seiten
...etc. A semicircle, therefore, contains 180 degrees, and a quadrant 90 degrees. The measure of an angle is an arc of any circle contained between the two...form that angle, the angular point being the centre, Fig. 12, and is estimated by the number of degrees contained in that arc. ~PROBLEMS PLATE III. •... | |
 | Frederick Augustus Griffiths - 1854 - 406 Seiten
...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 two...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 measured by a quadrant,... | |
 | John Weale - 1859 - 622 Seiten
...an angle or its vertex to the opposite side, called the base. 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 the centre. A solid is said to be cut by a plane when it is divided... | |
 | Frederick Augustus Griffiths - 1859 - 426 Seiten
...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 two...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 measured by a quadrant,... | |
 | Charles Hutton - 1860 - 1020 Seiten
...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 two...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 Seiten
...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...angle, the angular point being the centre ; and it is estimated by the number of degrees contained in that arc. 59. Lines, or chords, are said to be Equidistant... | |
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The Measure of an angle, 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. 
