 | Euclides - 1874 - 120 pages
...plane, which meet together, but are not in the same direction. 9. A plane rectilineal angle is the inclination of two straight lines to one another,...meet together, but are not in the same straight line. 10. When a straight line standing on another straight line, makes the adjacent angles equal to one... | |
 | William Alexander Myers - Circle-squaring - 1874 - 207 pages
...not in the same direction. 22. A plane rectilineal angle is the inclination of two straight linesto one another which meet together, but are not in the same straight line. 23. A THEOREM is a truth requiring demonstration. 24. An AXIOM is a self-evident truth. 25. A PROBLEM... | |
 | Edward Atkins - 1876 - 130 pages
...plane, which meet together, but are not in the same direction. 9. A plane rectilineal angle is the inclination of two straight lines to one another,...meet together, but are not in the same straight line. NOTE. — When several angles are at one point B, any one of them 13 expressed by three letters, of... | |
 | Robert Potts - Geometry - 1876 - 446 pages
...plane, which meet together, but are not in the same direction. IX, A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same btraight line. D NB If there be only one angle at a point, it may be expressed by a letter placed at... | |
 | Euclides - 1877 - 58 pages
...the straight line between them lies wholly in that superficies. 8. A plane rectilineal angle is the inclination of two straight lines to one another,...meet together but are not in the same straight line. An angle is generally expressed by three letters, the middle one of which must be the letter at the... | |
 | Isaac Todhunter - Philosophy - 1877 - 452 pages
...common terms is probably known to the reader, but we will draw attention to them. 12. An angle is the inclination of two straight lines to one another which...meet together, but are not in the same straight line. Thus the two straight lines A 0, BO, which meet at O form an angle there. The angle is not altered... | |
 | Edward Atkins - 1877 - 72 pages
...plane, which meet together, but are not in the same direction. 9. A plane rectilineal angle is the inclination of two straight lines to one another,...meet together, but are not in the same straight line. NOTE. — When several angles are at one point B, any one of them ia expressed by three letters, of... | |
 | Āryabhaṭa - 1878 - 100 pages
...ijircumferences meet in any point, but do not cut one •ther. XV. A plane rectilineal angle is the inclination of two straight lines to one another,...together, but are not in the same straight line. NB In the figure subjoined B is an angle and is thus expressed : " Angle AB 0." A BC XVI. When a straight... | |
 | Euclides - 1879 - 146 pages
...two straight lines, and is not required in the first two books.] 9. A plane rectilineal angle is the inclination of two straight lines to one another,...meet together, but are not in the same straight line. [Thus the inclination of the lines OA, OB is called the angle AOB, or BOA, or the angle at O. O Observe... | |
 | Moffatt and Paige - 1879 - 428 pages
...plane, which meet together, but are not in the same straight line. 9. A plane rectilineal angle is the inclination of two straight lines to one another,...meet together, but are not in the same straight line. ANB — When several angles are at one point, B, either of them is expressed by three letters, of which... | |
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A plane rectilineal angle is the inclination of two straight lines to one another, -which meet together, but are not in the same straight line. 
