| Queensland. Department of Public Instruction - Education - 1909 - 144 pages
...lines, then <«) the alternate angles are equal, (6) the corresponding angles are equal, (<•) the **interior angles on the same side of the cutting line are together equal to two right angles,** 4. If two sides of a triangle nre unequ-l, tin- greater side has the greater angle opjxeite to it.... | |
| George Albert Wentworth - Geometry - 1877 - 416 pages
...are cut by a third straight line, if the two interior angles on the same side of the secant line be **together equal to two right angles, then the two straight lines are parallel.** E / M JS/ -N •D Let EF cut the straight lines AB and CD in the points H and K, and let the Z BHK... | |
| George Albert Wentworth - 1881 - 266 pages
...are cut by а third straight line, if the two interior angles on the same side of the secant line be **together equal to two right angles, then the two straight lines are parallel.** E / M A '""• У- B N -D Let EF cut the straight lines AB and CD in the points H and K, and let the... | |
| College of preceptors - 1882 - 528 pages
...Define parallel straight lines. If two snch straight lines are cut by a third straight line, the two **interior angles on the same side of the cutting line are together equal to two right angles.** 5. Equal triangles on the same side of the same base arebetween the same parallels. What is meant here... | |
| George Albert Wentworth - Geometry - 1888 - 260 pages
...lines are cut l>ya third straight line, if the two interior angles on the same side of the transversal **are together equal to two right angles, then the two straight lines are parallel.** M" "A ^7 BN f Let EF cut the straight lines AB and CD in the points H and K, and let the ^SHK+ZHKD... | |
| Edward Albert Bowser - Geometry - 1890 - 420 pages
...make the exterior-interior angles equal, or (2) so as to make the two interior angles on the same side **together equal to two right angles, then the two straight lines are parallel.** xE (1) Hyp. Let the st. line EF cut G/ the two st. lines AB, CD at G and A H, so that Z EGB = Z GHD.... | |
| Andrew Wheeler Phillips, Irving Fisher - Geometry - 1896 - 554 pages
...O PROPOSITION IX. THEOREM 41. When two straight lines are cut by a third straight line, if the two **interior angles on the same side of the cutting line...angles, then the two straight lines are parallel.** QM K'— Via 7° a'/b M' GIVEN — PQ cutting gl/and PN so that a and 6 on the same side of PQ are... | |
| Andrew Wheeler Phillips, Irving Fisher - Geometry - 1896 - 564 pages
...Then JfFis parallel to CD. § 41 [When two straight lines are cut by a third straight line, if the two **interior angles on the same side of the cutting line are together equal to two right angles,** the two straight lines are parallel.] But AB is parallel to CD. Hyp. Hence AB coincides with XY. Ax.... | |
| Andrew Wheeler Phillips, Irving Fisher - Geometry, Modern - 1896 - 276 pages
...Then XY is parallel to CD. §41 [When two straight lines are cut by a third straight line, if the two **interior angles on the same side of the cutting line are together equal to two right angles,** the two straight lines are parallel.] But AB is parallel to CD. Hyp. Hence AB coincides with XY. Ax.... | |
| George Albert Wentworth - Geometry - 1896 - 50 pages
...lines are cut by a third straight line, if the two interior angles on the same side of the transversal **are together equal to two right angles, then the two straight lines are parallel.** 111. Two straight lines which are parallel to a third straight line are parallel to each other. 112.... | |
| |