 When a straight line cuts two other straight lines, if (i) a pair of alternate angles are equal, or (ii) a pair of corresponding angles are equal, or (iii) a pair of interior angles on the same side of the cutting line are together equal to two right...  Bulletin - Page 171915Full view - About this book
 | 352 pages
...angles). [Theorem I. 5 (iii).] When a straight line cuts two parallel straight lines, the interior angles on the same side of the cutting line are together equal to two right angles. Ex. 177. Copy fig. 48 freehand. If CD, EF are parallel A and /AGO = 72°, find all the angles in the... | |
 | 464 pages
...angles). [Theorem I. 5 (iii).] When a straight line cuts two parallel straight lines, the interior angles on the same side of the cutting line are together equal to two right angles. Ex. 177. Copy fig. 48 freehand. If CD, EF are parallel and /AGO = 72", find all the angles in the figure,... | |
 | 480 pages
...equal to four right angles. If two straight lines intersect, the vertically opposite angles are equal. When a straight line cuts two other straight lines, if (i) a pair of corresponding angles are equal, or (ii) a pair of alternate angles are equal, or (Hi) a pair of interior... | |
 | Thomas Tate (Mathematical Master, Training College, Battersea.) - 1860 - 404 pages
...lines intersect, the vertically opposite angles are equal 18 Chapter 4. PARALLEL STRAIGHT LINES 2<, When a straight line cuts two other straight lines, if (i) a pair of corresponding angles are equal (p. 21), or (ii) a pair of alternate angles are equal (p. 22), or (iii)... | |
 | Euclid - 1845 - 336 pages
...if a transversal make (i) a pair of alternate angles equal, or (ii) a pair of corresponding angles equal, or (iii) a pair of interior angles on the same side of the transversal together equal to two right angles. (i) Let the straight lines AB, CD be cut by the... | |
 | 130 pages
...lines and make either (i) a pair of alternate angles equal, or (ii) a pair of corresponding angles equal, or (iii) a pair of interior angles on the same side of the line together equal to two right angles, the two straight lines are parallel. (i) Let the two straight... | |
 | University of Bombay - 1910 - 1080 pages
...If two straight lines intersect, the vertically opposite angles are equal. Parallel Sti-aigU Lince. When a straight line cuts two other straight lines, if (i) a pau' of alternate angles are equal, •or (ii) a pair of coircsponding angles are equal, or (iii) a... | |
| |
