 That, if a straight line falling on two straight lines make the interior angles on the same side less than two right angles, the two straight lines, if produced indefinitely, meet on that side on which are the angles less than the two right angles.  Elements of Geometry and Trigonometry - الصفحة 38بواسطة Adrien Marie Legendre - 1852 - عدد الصفحات: 432عرض كامل - لمحة عن هذا الكتاب
 | Robert Simson - 1806 - عدد الصفحات: 546
...two right angles ; but those straight lines which, with another straight line falling upon them, make the interior angles on the same side less than two right angles, do meet* together if continually produced ; therefore • 12. •«. the straight lines AB, CD, if... | |
 | Euclides - 1816 - عدد الصفحات: 588
...two right angles ; but those straight lines which, with another straight line falling upon them, make the interior angles on the same side less than two right angles, do meet* together if continually * ig AX.' produced; therefore the straight lines AB, CD, if produced... | |
 | Peter Nicholson - 1825 - عدد الصفحات: 1046
...two right angles ; but those straight lines which, with another straight line tilling upon them, make the interior angles on the same side less than two right angles, do meet (12. Ax.) together if continually produced; therefore the straight lines AB, CD, if produced... | |
 | Robert Simson - 1827 - عدد الصفحات: 546
...two right angles : but those straight lines which, with another straight line falling upon them, make the interior angles on the same side less than two right angles, will meet * together if continually produced; therefore the straight lines AB, CD, if produced far... | |
 | Euclid - 1835 - عدد الصفحات: 540
...two right angles ; but those straight lines which, with another straight line falling upon them, make the interior angles on the same side less than two right angles, * 12. ax. do meet * together if continually produced ; therefore the s«e the straight lines AB, CD,... | |
 | Adrien Marie Legendre - 1836 - عدد الصفحات: 394
...obtuse angles. PROPOSITION XXI. THEOREM. If a straight line meet two other straight lines, making the sum of 'the interior angles on the same side less...the two lines will meet if sufficiently produced. Letthe line EF meet the two lines CD, IH, making the sum of the Interior angles OGI1, j^ GOD, less... | |
 | Adrien Marie Legendre - 1837 - عدد الصفحات: 376
...obtuse angles. PROPOSITION XXI. THEOREM. If a straight line meet two other straight lines, making the sum of the interior angles on the same side less than...lines will meet if sufficiently produced. Let the line EFmeet the two lines CD, IH, making the sum ef the interior angles OGH, GOD, less than two right... | |
 | Adrien Marie Legendre - 1838 - عدد الصفحات: 372
...CD, III, making the sum ef the interior angles OGI1, GOD, less than two right angles : then will IH and CD meet if sufficiently produced. For, if they do not meet they are parallel (Def.12.). But they are not parallel, for if they were, the sum of the interior angles OGH, GOD, would... | |
 | Euclides - 1842 - عدد الصفحات: 316
...two right angles; but those straight lines which, with another straight line falling upon them, make the interior angles on the same side less than two right angles, do meet (5. Post.) together if continually produced; therefore the straight lines AB, CD, if produced... | |
 | Euclides - 1845 - عدد الصفحات: 546
...two right angles ; but those straight lines which, with another straight line falling upon them, make the interior angles on the same side less than two right angles, will meet together if continually produced ; (ax. 12.) therefore the straight lines AB, CD, if produced... | |
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