| Robert Simson - Trigonometry - 1806 - 546 pages
...angles. B •. \ a 29. 1. >>4. 1. PROP. XXXIII. THEOR. 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... | |
| John Playfair - Mathematics - 1806 - 320 pages
...are equal to four right angles. PROP. XXXIII. THEOR. THE straight lines which join the extremities of two 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 joined... | |
| Euclid - Geometry - 1810 - 554 pages
...parallels, anil joined towards the same parts by the straight lines BE, CH : but straight lines which join equal and parallel straight lines towards the same parts, are themselves equal and parallelb; therefore EB, CH are both equal and pa-b33 1. rallel, and EBCH is a parallelogram ; and... | |
| John Mason Good - 1813 - 714 pages
...are equal to tiro right angles. Prop. XXXIII. Theor. The straight line» which join the extremities of two equal and parallel straight lines, towards the same parts, are also themselves equal and parallel. Prop. XXXIV. Theor. The opposite sides and angles of parallelograms... | |
| Euclides - 1816 - 588 pages
...are equal to four right angles. PROP. XXXIII. THEOR. 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 join- A... | |
| John Playfair - Circle-squaring - 1819 - 350 pages
...parallels, and joined towards the same parts by the straight lines BE, CH : But straight lines which join equal and parallel straight lines towards the same parts, are themselves equal and parallel (33. 1.); therefore EB, CH are both equal and parallel, and EBCH is a parallelogram ; and it is equal... | |
| John Playfair - 1819 - 354 pages
...are equal to four right angles. PROP. XXXIII. THEOR. 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... | |
| Peter Nicholson - Mathematics - 1825 - 1046 pages
...equal to four right angles. Propontwn XXXIII. Theorem. 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 л _ в. straight lines, and joined... | |
| George Lees - 1826 - 276 pages
...diameter of course bisects it. Therefore, &c. QED Cor. The straight lines which join the extremities of two equal and parallel straight lines, towards the same parts, are also themselves equal and parallel. PROP. XV. THEOREM. Parallelograms upon the same base, and between... | |
| Robert Simson - Trigonometry - 1827 - 546 pages
...towards the same parts by the straight lines BE, CH : but straight lines which join the extremities of equal and parallel straight lines towards the same parts are themselves* equal and parallel; therefore EB, HC, are both equal and parallel ; and therefore EBCH is af parallelogram; and it is equal*... | |
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