 | Elias Loomis - 1871 - 302 pagina’s
...of Prop. II.). If, at a point in a straight line, two other straight lines, upon me opposite sides of it, make the adjacent angles together equal to two right angles, these two straight lines are in one and the tame straight line. then will BD be in the same straight... | |
 | Euclides - 1871 - 136 pagina’s
...supplement of / ABC. 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 straight lines must be in one and the same straight line. At the pt. B in the st. line AB... | |
 | Henry William Watson - 1871 - 320 pagina’s
...the angle BED. PROPOSITION 13. If at a point in a straight line two straight lines on opposite sides of it make the adjacent angles together equal to two right angles, or make the vertically opposite angles equal to one another, these two straight lines shall be in one... | |
 | Euclides, James Hamblin Smith - 1872 - 376 pagina’s
...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, these two straight lines must be $n_ one and the same straight line. At the pt. B in the st. line AB... | |
 | Henry Major - 1873 - 588 pagina’s
...angles. XlV. — 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 straight lines shall be in one and the same straigJit line. At the point B in the straight... | |
 | Euclides - 1874 - 120 pagina’s
...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, KH is in the same straight line with HM. [I. 14.] And because the straight line HG meets the parallels... | |
 | Francis Cuthbertson - 1874 - 400 pagina’s
...PROPOSITION X. If two straight lines, drawn from one extremity of a straight line on opposite sides of it, make the adjacent angles together equal to two right angles, these two straight lines shall l>e in one and the same straight line. Let BC, BD drawn from B one extremity... | |
 | Euclides - 1874 - 342 pagina’s
...14. — 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 two straight lines shall be in one and the same straight line. At the point B in the straight... | |
 | 1876 - 400 pagina’s
...EUCLID. — 1. 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 straight lines shall be in one and the same straight line. 2. If two triangles have two angles... | |
 | Edward Atkins - 1876 - 130 pagina’s
...— 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, these two straight lines shall be in one and the same straight line. civcn At the point B in the straight... | |
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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 straight lines shall be in one and the same straight line. 
