| Robert Potts - 1855 - 1050 pages
...the squares on AC, AS, furthest removed from point A; shew that F, A, K, are in one straight line. 2. **If, at a point in a straight line, two other straight lines,** upon the opposite sides of it, make the adjacent angles together equal to two right angles, these tWo... | |
| Euclides - 1858 - 248 pages
...sides equal, and its angles rt. angles. P. 14. If at a point in a st. line two other st. lines on the **opposite sides of it make the adjacent angles together equal to two** rt. angles, these two lines shall be in one and the same st. line. Ax. 1. Things equal to the same... | |
| W. Davis Haskoll - Civil engineering - 1858 - 422 pages
...side of it, are either two right angles, or are together equal to two right angles. The 14th, Book I. **If at a point in a straight line, two other straight lines,** upon the opposite sides of it, make the adjacent angles together equal to two right angles, these two... | |
| Elias Loomis - Conic sections - 1858 - 256 pages
...equal to that of the two adjacent angles BAD, DAF. B E PROPOSITION in. THEOREM (Converse of Prop. II.). **If, at a point in a straight line, two other straight lines,** upon the opposite sides of it, make the adjacent angles together equal to two right angles, these two... | |
| Robert Potts - Geometry, Plane - 1860 - 380 pages
...together equal to two right angles, (ax. 1.) Wherefore, when a straight line, &c. QED PROPOSITION XIV. **THEOREM. If at a point in a straight line, two other straight lines,** upon the opposite sides of it, make the adjacent angles together equal to two right angles ; then these... | |
| Popular educator - 1860 - 424 pages
...at a point ma straight line two other straight line» malte the two angles on opposite sides of it, **together equal to two right angles, these two straight lines shall be in** the same straight line ; but if they make two right angles on the same side of it, they shall coincide... | |
| Royal college of surgeons of England - 1860 - 336 pages
...one another, and likewise ^ those which are terminated in the other extremity. (Second case only.) 3. **If at a point in a straight line, two other straight lines** upon the opposite sides of it make the adjacent angles together .jequal to two right angles, these... | |
| Euclides - 1862 - 140 pages
...(ax. 1.) 7. And because at the point H in the straight line GH, the two straight lines KH, HM, on the **opposite sides of it, make the adjacent angles together equal to two right angles;** 8. Therefore KH is in the same straight line with HM. (I. 14.) 9. And because the straight line HG... | |
| Euclides - 1862 - 172 pages
...(constr.) therefore the angles DBA, ABC, are together equal to two right angles, (ax. 1.) PROP. XIV.— **THEOREM. If, at a point in a straight line, two other straight lines,** Upon the opposite sides of it, make the adjacent angles together equal to two right angles, then these... | |
| University of Oxford - Education, Higher - 1863 - 328 pages
...line perpendicular to a given straight line of unlimited length, from a given point without it. 3. **If, at a point in a straight line, two other straight lines,** upon the opposite sides of it, make the adjacent angles together equal to two right angles, these two... | |
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