 | Robert Simson - 1806 - عدد الصفحات: 546
...triangle DEF. Wherefore, triangles, &c. QED PROP. XXXIX. THEOR. EQUAL triangles upon the same base, and upon the same side of it, are between the same parallels. Let the equal triangles ABC, DBC be upon the same base BC, and upon the same side of it ; they are... | |
 | John Mason Good - 1813 - عدد الصفحات: 714
...the same parallels, are equal to one another. Prop. XXXIX. Theor. Equal triangles upon the same base, and upon the same side of it, are between the same parallels. Prop. XL. Theor. Equal triangles upon equal bases, in the same straight line, and towards the same... | |
 | Euclides - 1816 - عدد الصفحات: 588
...triangle DEF. Wherefore triangles, &c. QED PROP. XXXIX. THEOR. EQUAL triangles upon the same base, and upon the same side of it, are between the same parallels. Let the equal triangles ABC, DBC be upon the same base BC, and upon the same side of it ; they are... | |
 | John Playfair - 1819 - عدد الصفحات: 350
...triangle DEF. Wherefore triangles, &Lc. QED PROP. XXXIX. THEOR. Equal triangles upon the same base, and upon the same side of it, are between the same parallels. Let the equal triangles ABC, DBC be upon the same base BC, and upon the same side of it ; they are... | |
 | Peter Nicholson - 1825 - عدد الصفحات: 1046
...ÜEF. therefore triangles, &c. QED Proposition XXXIX. Theorem. ' Equal triangles upon the same base, and upon the same side of it, are between the same parallels. Let the equal triangles ABC, DBC be upon the same base BC, and upon the same side of it ; they aie... | |
 | George Lees - 1826 - عدد الصفحات: 276
...parallels, the parallelogram is double of the triangle. Cor. 3. Equivalent triangles upon the same base, and upon the same side of it, are between the same parallels. Book I. a 14.1 b 11. 1. c2. ELEMENTS PROP. XVI. THEOREM. Parallelograms, CABD, EFHG, upon equal bases,... | |
 | Robert Simson - 1827 - عدد الصفحات: 546
...triangle DEF. Wherefore triangles, &c. QED PROP. XXXIX. THEOR. Equal triangles upon the same base, and upon the same side of it, are between the same parallels. Let the equal triangles ABC, DBC be upon the same base BC, and upon the same side of it : they shall... | |
 | Pierce Morton - 1830 - عدد الصفحات: 584
...bases, and between the same parallels, are equal to-one another : and conversely, equal triangles, upon the same base, or upon equal bases in the same straight line, and towards the same paru, are between the same parallels. The first part of the proposition is manifest... | |
 | 1835 - عدد الصفحات: 684
...bases, and between the same parallels, are equal to one another : and conversely, equal triangles, upon the same base, or upon equal bases in the same straight line, and towards the same parts, are between the same parallels. The first part of the proposition is manifest... | |
 | Euclid - 1835 - عدد الصفحات: 540
...triangle DEF. Wherefore, " triangles" &c. QED PROP. XXXIX. THEOR. Equal triangles upon the same base, and upon the same side of it, are between the same parallels. Let the equal triangles ABC, DBC be upon the same base BC, and upon the same side of it; they are between... | |
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Equal triangles upon the same base, and upon the same side of it, are between the same parallels. 
