| Edith Long, William Charles Brenke - 1916 - 276 páginas
...corner, also from mid-point of side to mid-point of side, as shown in the figure. Assuming that the **lines which are parallel to the same straight line are parallel to** each other no matter whether they are all in the same plane or not, prove the following statements... | |
| Edith Long, William Charles Brenke - 1916 - 276 páginas
...corner, also from mid-point of side to mid-point of side, as shown in the figure. Assuming that the **lines which are parallel to the same straight line are parallel to** each other no matter whether they are all in the same plane or not, prove the following statements:... | |
| University of Bombay - 1906
...are together equal to two right angles, then the two straight lines are parallel ; and the converse. **Straight lines which are parallel to the same straight line are parallel to one another.** Triangles and Rectilinear Figures. The sum of the angles of a triangle is equal to two right angles.... | |
| Olaus Henrici - 1888 - 188 páginas
...eqnal. (ii) If a triangle has one of its angles a right angle, two of its angles are acute. THEOREM 6. **Straight lines which are parallel to the same straight line are parallel to one another.** A f B C k D I I fig. 89. Data AB, CD are each || to XY. To prove that AB is || to CD. Construction... | |
| ...(2) corresponding angles are equal, (3) the interior angles on the same side of the PAGE THEOREM 6. **Straight lines which are parallel to the same straight line are parallel to one another** . . , 263 THEOREM 7. If straight lines are drawn from a point parallel to the arms of an angle, the... | |
| ...and (iii). IIEx. 6. Prove Th. 5 (iii) by Playfair's Axiom and deduce Th. 5 (i) and (ii). | THEOREM 6. **Straight lines which are parallel to the same straight line are parallel to one another.** I Pig. 7. Data AB, CD are each || to XY. To prove that AB is || to CD. Construction Draw a st. line... | |
| Thomas Hadyn Ward Hill
...examples having a bearing on this chapter are worked on pp. 37, 96 and 102. Exercise i 1. Prove that **straight lines which are parallel to the same straight line are parallel to one another.** 2. If a straight line is perpendicular to one of a system of parallel straight lines, it is perpendicular... | |
| University of Cambridge, Sir Thomas Gery Cullum - 1906
...are together equal to two right angles, then the two straight lines are parallel ; and the converse. **Straight lines which are parallel to the same straight line are parallel to one another.** Triangles and Rectilinear Figures. The sum of the angles of a triangle is equal to two right angles.... | |
| 1854
...wonderful help that announcement used to be to us in mastering " Hie, hicc, hoc," ami proving that " **straight lines which are parallel to the same straight line are parallel to one another** !" Some seventy years ago there was a famous pirate named Captain Kidd. His plan was to give chase... | |
| ...show that the straight lines which bisect the corresponding angles EFB, FGD are parallel. 35. PROP. 4. **Straight lines which are parallel to the same straight line are parallel to one another.** E /H -'K Let AB be parallel to LM and CD parallel to LM ; to prove that AB is parallel to CD. Draw... | |
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