 | Euclides - 1864 - 448 pages
...straight lines, make the alternate angles equal to each other; these two straight lines shall be parallel. Let the straight line EF, "which falls upon the two straight lines AB, CD, make the alternate angles AEF, EFD, equal to one another. Then AB shall be parallel to CD. For, if AB be not... | |
 | Euclides - 1864 - 262 pages
...the interior and opposite upon the same side of the line ; or make the interior angles upon the same side together equal to two right angles ; the two straight lines shall oe parallel to o><e another. Let the straight line EF, which falls upon the two straight lines AB,... | |
 | Euclides - 1865 - 402 pages
...interior and opposite angle upon the same side of the line ; or make the interior angles upon the same side together equal to two right angles ; the two straight lines shall be parallel to one another. P Prop. 29. If a straight line fall npon two parallel straight lines, it makes the alternate angles... | |
 | Robert Potts - 1865 - 528 pages
...lines, make the alternate angles equal to each other ; these two straight lines shall be parallel. Let the straight line EF, which falls upon the two straight lines AB, CD, make the alternate angles AEF, EFD equal to one another. Then.^B. shall be parallel to CD. AB/ B ~ For, if AB... | |
 | Euclides - 1865 - 80 pages
...to two right angles, the two straight lines are parallel. Let the straight line EF which intersects the two straight lines AB, CD make the exterior angle EGB equal to GHD, the interior opposite angle on the same side, or let it make the interior angles on the same side... | |
 | Euclid, Isaac Todhunter - Euclid's Elements - 1867 - 424 pages
...the interior and opposite angle on the same side of the line, or make the interior angles on the same side together equal to two right angles, the two straight...one another. Let the straight line EF, which falls on the two straight lines AB, CD, make the exterior angle EGB equal to the interior and opposite angle... | |
 | Euclid, Isaac Todhunter - Euclid's Elements - 1867 - 426 pages
...the interior and opposite angle on the same side of the line, or make the interior angles on the same side together equal to two right angles, the two straight...one another. Let the straight line EF, which falls on the two straight lines AB, CD, make the exterior angle EGB\ equal to the interior and opposite angle... | |
 | Robert Potts - 1868 - 434 pages
...lines, make the alternate angles equal to each other ; these two straight lines shall be parallel. Let the straight line EF, which falls upon the two straight lines AB, CD, make the alternate angles AEF, EFD, equal to one anothei Then AB shall be parallel to CD. For, if AB be not... | |
 | Henry Major - Student teachers - 1873 - 588 pages
...straight lines makes the alternate angles equal to one another, these two straight lines shall beparallel. Let the straight line EF, which falls upon the two straight lines AB, CD, make the alternate angles AEF, EFD, equal to one another ; AB is parallel to CD. For, if it be not parallel,... | |
 | Edward Atkins - 1874 - 426 pages
...the interior and opposite upon the same side of the line, or make the interior angles upon the same side together equal to two right angles, the two straight...exterior angle EGB equal to the interior and opposite E\ angle GHD, upon the same side ; \ c Or make the interior angles on the -B same side, the angles... | |
| |
... upon the same side together equal to two right angles, the two straight lines shall be parallel to one another. 
