 | John Playfair - 1806 - 320 sider
...XXIX. All other four sided figures besides these are called ziums. Book I. XXX. . 1 Parallel straight lines are such as are in the same plane, and which,...being produced ever so far both ways, do not meet. N. * POSTULATES. I. LET it be granted that a straight line may be drawn from any one point to any other... | |
 | Robert Simson - 1806 - 546 sider
...other four sided figures, besides these, are called trape- *- .v— i ziums. XXXV. Parallel straight lines are .such as are in the same plane, and which...being produced ever so far both ways, do not meet. POSTULATES. I. LET it be granted that a straight line may be drawn from any one point to any other... | |
 | Robertson Buchanan - 1808 - 216 sider
...circle is a right line, which passes through a point in the circumference without cutting it. 114 10. Parallel right lines are such as are in the same plane, and which, being continued ever so far either way, never meet. 11. The term perpendicular is the same with square, as... | |
 | William Nicholson - 1809 - 716 sider
...axiom is by any means self-evident upon Euclid'« definition which he retains, ri:. Parallel straight lines are such as are in the same plane, and which being produced ever so far both ways do not meet. A more intelligible, and we think an equally rigid, demonstration of the property of parallels, may... | |
 | John Mason Good - 1813 - 714 sider
...ligures besides these, are called trapeziums. 35. Parallel straight lines, are si:ch as are in the «ams plane, and which, being produced ever so far both ways, do not meet. Pottalalfi. — 1 . Let it b* granted that a straight line ir.ay be drawn froir. any one point to any... | |
 | John Gummere - 1814 - 398 sider
...An obtuse angle is that which is greater than a right angle, as ADE, Fig. 4. 13. Parallel straight lines are such as are in the same plane, and which,...being produced ever so far both ways, do not meet, as AB, CD, Fig. 5. 13. A figure is a space bounded by one or more lines. 14. A plane triangle is a... | |
 | Charles Butler - 1814 - 528 sider
...a semi-circle. From the 20th to the 29th inclusive, may stand as at present. 30. Parallel straight lines are such as are in the same plane, and which,...being produced ever so far both ways, do not meet. 3 1 . A parallelogram is a four-sided figure, of which the opposite sides are parallel. 32. The diameter... | |
 | Euclides - 1814 - 560 sider
...angles. XXXIV. All other four-sided figures besides these, are called Trapeziums. XXXV. Parallel straight lines, are such as are in the same plane, and which, being produced ever so far both ways,do not meet POSTULATES. I. LET it be granted that a straight line may be drawn from any one point... | |
 | Euclides - 1816 - 588 sider
...Boo* I. All other four-sided figures besides these, are called Trapeziums. XXXV. Parallel straight lines, are such as are in the same plane, and which,...being produced ever so far both ways, do not meet. POSTULATES. I. LET it be granted that a straight line may be drawn from any one point to any other... | |
 | John Gummere - 1817 - 384 sider
...which is greater than a right angle, as A p E, Fig. 4. 12. Parallel straight lines are those which are in the same plane, and which., being produced ever so far both ways, do not meet, as А В, С D, Fig. 5. 13. A figure is a space bounded by one or more lines. 14. A plane triangle... | |
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Parallel straight lines are such as are in the same plane, and which, being produced ever so far both ways, do not meet. 
