 Wherefore, if a straight line, &c. QED PROPOSITION XXVIII. THEOREM. If a straight line falling upon two other straight lines, make the exterior angle equal to...  Pure mathematics - Page 116by Edward Atkins - 1874Full view - About this book
 | Euclides - 1862 - 140 pages
...Conclusion. — Therefore, if a straight line, &c. QED PROPOSITION 28.— THEOREM. If a straight line falling upon two other straight lines make the exterior angle equal to the interior and opposite upon the tame side of the line, or make the interior angles upon the same fide together equal to two right angles,... | |
 | Benjamin Greenleaf - Geometry - 1862 - 518 pages
...alternate angles equal; also any exterior angle equal to the interior and opposite angle ; and the two interior angles upon the same side together equal to two right angles. Let the straight line EF inter- E sect the parallel lines AB, CD ; \ the alternate angles AGH, GHD... | |
 | Benjamin Greenleaf - Geometry - 1861 - 638 pages
...alternate angles equal; also any exterior angle equal to the interior and opposite angle ; and the two interior angles upon the same side together equal to two right angles. Let the straight line EP inter- j; sect the parallel lines AB, CD ; \ the alternate angles AGH, GHD... | |
 | University of Oxford - Education, Higher - 1863 - 316 pages
...Describe a square that shall be equal to a given rectilineal figure. 9. If a straight line falling on two other straight lines make the exterior angle equal to the interior and opposite angle on the same side of the line, or make the interior angles on the same side together equal to... | |
 | Benjamin Greenleaf - Geometry - 1863 - 504 pages
...alternate angles equal; also any exterior angle equal to the interior and opposite angle ; and the two interior angles upon the same side together equal to two right angles. Let the straight line EF inter- j; sect the parallel lines AB, CD ; \ the alternate angles AGH, GHBV... | |
 | Euclides - 1864 - 262 pages
...CD. Wherefore, if a straight line, &c. QED PROPOSITION XXVIII. THEOREM. If a straight line falling upon two other straight lines, make the exterior angle...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 - 1864 - 448 pages
...line fall upon two parallel straight lines, it makes the alternate angles equal to one another ; and the exterior angle equal to the interior and opposite upon the same side ; and lihewise the two interior angles upon the same side together equal to two right angles. Let the... | |
 | Euclides - 1865 - 402 pages
...one another ; these two straight lines shall be parallel. Prop. 28. If a straight line falling npon two other straight lines, make the exterior angle equal to the interior and opposite angle upon the same side of the line ; or make the interior angles upon the same side together equal... | |
 | J. F. H. de Rheims - Geometrical drawing - 1865 - 336 pages
...line fall upon two parallel straight lines, it makes the alternate angles equal to one another ; and the exterior angle equal to the interior and opposite upon the same side ; and likewise the two interior angles upon the same side together equal to two right angles. Prop.... | |
 | Robert Potts - 1865 - 528 pages
...line fall upon two parallel straight lines, it makes the alternate angles equal to one another; and the exterior angle equal to the interior and opposite upon the same side; and likewise the two interior unifies upon the same side together equal to two right angles. Let the... | |
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