| Euclides - 1864
...angles right angles. xxx1v. All other four-sided figures besides these, are called Trapeziums. XXXV. **Parallel straight lines are such as are in the same...being produced ever so far both ways, do not meet.** A. A parallelogram is a four-sided figure, of which the opposite sides are parallel : and the diameter,... | |
| Edward Clarke Lowe - 1866
...angles right angles. [ | 34. All other four- sided figures besides these, are called Trapeziums. 35. **Parallel straight lines are such as are in the same...being produced ever so far both ways do not meet.** 36. A parallelogram is a four-sided figure of which the opposite sides are parallel ; and the diagonal... | |
| Euclid, Isaac Todhunter - Euclid's Elements - 1867 - 400 pages
...its angles right angles : 34. All other four-sided figures besides these are called trapeziums. 35. **Parallel straight lines are such . as are in the same...being produced ever so far both ways do not meet.** \Note. The terms oblong and rhomboid are not often used. Practically the following definitions are... | |
| Euclid, Isaac Todhunter - Euclid's Elements - 1867 - 400 pages
...other four-sided figures besides these are called trapeziums. 35. Parallel straight lines are such _ **as are in the same plane, and which being produced ever so far both ways — • do not meet.** [Note. The terms oblong and rhomboid are not often used. Practically the following definitions are... | |
| Robert Potts - 1868 - 410 pages
...angles right angles. XXXIV. All other four-sided figures besides these, are called Trapeziums. XXXV. **Parallel straight lines are such as are in the same...being produced ever so far both ways, do not meet.** A. A parallelogram is a four-sided figure, of which the opposite sides are parallel: and the diameter,... | |
| Septimus Tebay - Measurement - 1868 - 115 pages
...(ABCD). 22. The diagonal of a trapezium is the straight line which joins two opposite angles (AC). 23. **Parallel straight lines are such as are in the same plane and** being produced ever so far both ways do not meet. 24. A square is a four-sided figure having all its... | |
| Isaac Todhunter - Measurement - 1869 - 296 pages
...which is greater than a right angle. An acute angle is an angle which is less than a right angle. 9. **Parallel straight lines are such as are in the same...being produced ever so far both ways do not meet.** 10. A rectilineal figure is a figure which is bounded by straight lines; the boundaries of the figure... | |
| Euclides - 1870
...seen by all his guests. 35. Parallel straight lines (paralleelos, placed along opposite to each other) **are such as are in the same plane, and which being produced ever so far both ways, do not meet; as** st. lines AB, CD. The least objectionable of the many definitions proposed, from which we may reason... | |
| Family welfare association - 1871 - 239 pages
...wife. CHAPTER II. Of Parallel Activities. IA.RALLEL lines," saith Euclid (but I quote from memory), " **are such as are in the same plane, and which being produced ever so far both ways do not meet."** Fain would I see the twin Christian activities, — zeal for souls, and zeal for bodies, — do likewise.... | |
| Elias Loomis - Geometry - 1871 - 58 pages
...angle is one which .'s greater than a right angle. 12. Parallel straight lines are such as are a tha **same plane, and which, being produced ever so far both ways, do not meet.** 13. A plane figure is a plane terminated on all sides bj .ines either straight or curved. If the lines... | |
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