 | Robert Simson - Trigonometry - 1762 - 488 pages
...parts by the ftraight J^ JJ lines AC, BD ; AC, BD are alfo equal and parallel. Join BC, and becaufe AB is parallel to CD, and BC meets them ; the alternate angles ABC , BCD CD a. a9. i. are equal • ; and becaufe AB is equal to CD, and BC common to the two triangles ABC,... | |
 | Robert Simson - Trigonometry - 1775 - 534 pages
...angles of the figure are equal to one another; and the diameter BC bifects it. Becaufe AB is paiallel to CD, ^ £ and BC meets them, the alternate angles ABC, BCD are equal " to one another ; and becaufe AC is parallel to BD, and BC meets them, the alternate angles ACB, CBD,... | |
 | Robert Simson - Trigonometry - 1781 - 534 pages
...oppofite fides and angles of the figure are equal to one another ; and the diameter BC bifeets it. Becaufe AB is parallel to CD, and BC meets them, the alternate angles ABC, BCD are equal * to . ^ a. *ar one another, and becauie AC is **, parallel to BD, and BC meets them, the alternate... | |
 | Euclid - 1781 - 552 pages
...fides and angles of the figure are equal to one another ; and the diameter BC bifects it. Becaafe A3 is parallel to CD, and BC meets them, the alternate angles ABC, BCD are equal * to one another ; and becaufe AC is parallel to BD, and BC meets them, the alternate angles ACB, CBD... | |
 | Alexander Ingram - Trigonometry - 1799 - 374 pages
...fame parts by the ftraight lines AC, BD ; AC, BD are alfo equal and parallel. Join BC ; and becaufe AB is parallel to CD, and BC meets them, the alternate angles ABC, BCD are equal a : and becaufe AB is equal to CD, and BC common to the two triangles ABC, DCB, the two fides AB, BC... | |
 | Robert Simson - Trigonometry - 1804 - 530 pages
...parts by the ftraight A lines AC, BD ; AC, BD are alfo ^~ equal and parallel. Join BC, and becaufe AB is parallel to CD, and BC meets them ; the alternate angles ABC, BCD are equal a; and becaufe AB is equal to CD, and BC common to the two triangles ABC, DCB,.the two fides AB, BC... | |
 | John Playfair, Euclid - Circle-squaring - 1804 - 468 pages
...oppofite fides and angles of the figure are equal to one another ; and the diameter BC bifefts it. Becaufe AB is parallel to CD, and BC meets them, the alternate angles ABC, BCD are equal * to one another ; and be- ^ ^^ \ a 29. t. caufe AC is parallel to BD, and BC meets them, the alternate... | |
 | John Playfair - Mathematics - 1806 - 320 pages
...equal and parallel straight lines, towards the same parts, are also themselves equal and parallel. A. Let AB, CD be equal and parallel straight lines, and...BC ; and because AB is parallel to CD, and BC meets a 29. 1. them, the alternate angles ABC, BCD are equal"; andfcecause AB is equal to CD, and BC common... | |
 | Robert Simson - Trigonometry - 1806 - 546 pages
...XXXIII. THEOR. THE straight lines which join the extremities of two equal and parallel straight lines, towards the same parts, are also themselves equal...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... | |
 | Euclid - Geometry - 1810 - 554 pages
...29. 1. b4.1. THE straight lines which join the extremities of two equal and parallel straight lines, towards the same parts, are also 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... | |
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THE straight lines which join the extremities of two equal and parallel straight lines, towards the same parts, are also themselves equal and parallel. Let AB, CD be equal and parallel straight lines, and joined towards the same parts by the straight... 
