| Robert Simson - Trigonometry - 1806 - 546 pages
...the exterior angles are equal to four right angles. B •. \ a 29. 1. >>4. 1. PROP. XXXIII. THEOR. **THE straight lines which join the extremities of two...the same parts by the straight lines AC, BD ; AC, BD** arc also equal and parallel. Join BC ; and because AB is parallel to CD, and BC meets CD them, the... | |
| John Playfair - Mathematics - 1806 - 320 pages
...right angles ; therefore all the exterior angles are equal to four right angles. PROP. XXXIII. THEOR. **THE straight lines which join the extremities of two...same parts, are also themselves equal and parallel.** A. Let AB, CD be equal and parallel straight lines, and joined towards the same parts by the straight... | |
| Euclid - Geometry - 1810 - 554 pages
...therefore all the~exterior angles are equal to four right angles. B \ PROP. XXXIII. THEOR. 29. 1. b4.1. **THE straight lines which join the extremities of two...themselves equal and parallel. Let AB, CD be equal and** p*rallel straight lines, and joined towards the same parts by the straight lines AC, BD ; AC, BD are... | |
| John Mason Good - 1813 - 714 pages
...interior angles of every triangle are equal to tiro right angles. Prop. XXXIII. Theor. The straight line» **which join the extremities of two equal and parallel...same parts, are also themselves equal and parallel.** Prop. XXXIV. Theor. The opposite sides and angles of parallelograms are equal to one another, and the... | |
| Euclides - 1814 - 560 pages
...right angles; therefore all the exterior angles are equal to four right angles. PROP. XXXIII. THEOR. **THE straight lines which join the extremities of two...same parts, are also themselves equal and parallel.** parallel straight lines, and join- AB Let AB, CD be equal and ed towards ' the same parts by ' " the... | |
| Euclides - 1816 - 588 pages
...right angles ; therefore all the exterior angles are equal to four right angles. PROP. XXXIII. THEOR. **THE straight lines which join the extremities of two...Let AB, CD be equal and parallel straight lines, and** join- A ed towards the same parts by ' the straight lines AC, BD; AC, BD are also equal and parallel.... | |
| John Playfair - Circle-squaring - 1819 - 350 pages
...right angles ; therefore all the exterior angles are equal to four right angles. PROP. XXXITI. THEOR. **The straight lines which join the extremities of two...same parts, are also themselves equal and parallel.** B Let AB, CD, be equal and parallel straight lines, ard joined towards the same parts by the straight... | |
| Euclid, Robert Simson - Geometry - 1821 - 514 pages
...right angles; therefore all the exterior angles are equal to four right angles. PROP. XXXIII. THEOR. **THE straight lines which join the extremities of two...and parallel straight lines, and joined towards the** sameparts by the straightlines AC, BD; AC, BD are also equal and parallel. Join BC; and because AB... | |
| Peter Nicholson - Mathematics - 1825 - 1046 pages
...angles ; therefore all the exterior angles are equal to four right angles. Propontwn XXXIII. Theorem. **The straight lines which join the extremities of two...equal and parallel. Let AB, CD be equal and parallel** л _ в. straight lines, and joined towards the '7 .s'\ •ame part« by the straight lines AC, \ ¿r... | |
| Euclid, John Playfair - Euclid's Elements - 1826 - 326 pages
...exterior angles are equal to four right angles. •t" PROP. XXXIII. THEOR. The straight lines whieh **join the extremities of two equal and parallel straight...AC. BD are also equal and parallel. Join BC ; and** beeause AB is pa- AB fiillal to CD, and BC mi4ets them, the alternate angles ABC. BCD are equal (29.... | |
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