| Robert Simson - 1806 - 518 sider
...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...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... | |
| John Playfair - 1806 - 311 sider
...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... | |
| John Mason Good - 1813
...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 - 1816 - 528 sider
...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.** , Let AB, CD be equal and parallel straight lines, and join- A ed towards the same parts by ' the straight... | |
| John Playfair - 1819 - 333 sider
...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... | |
| Peter Nicholson - 1825 - 372 sider
...right angles ; therefore all the exterior angles are equal to four right angles. Propontwn XXXIII. **Theorem. The straight lines which join the extremities...same parts, are also themselves equal and parallel.** Let AB, CD be equal and parallel л _ в. straight lines, and joined towards the '7 .s'\ •ame part«... | |
| George Lees - 1826
...triangle ABC is equal to the triangle ADC, the diameter of course bisects it. Therefore, &c. QED Cor. **The straight lines which join the extremities of two...same parts, are also themselves equal and parallel.** PROP. XV. THEOREM. Parallelograms upon the same base, and between the same parallels, are equivalent.... | |
| Euclid, John Playfair - 1826 - 320 sider
...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...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... | |
| Robert Simson - 1827 - 513 sider
...equal to four right angles. PROP. XXXIIL THEOR. The straight lines which join the extremities of IIKO **equal and parallel straight lines towards the same parts, are also themselves equal and parallel.** Let AB, CD be equal and parallel AB straight lines, and joined towards the same parts by the straight... | |
| Pierce Morton - 1830 - 272 sider
...angles. SECTIOX 4. Parallelograms. PROP. 21. (Eue. i. 33.) The straight lines which join the extremitie» **of two equal and parallel straight lines towards the same parts, are** likewise themselves equal and parallel. Let the straight lines AD, 13 С be equal -and parallel, and... | |
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