 If, from the ends of the side of a triangle, there be drawn two straight lines to a point within the triangle, these shall be less than, the other two sides of the triangle, but shall contain a greater angle. Let...  Report of the Secretary for Public Instruction ... - 第 135 頁Queensland. Department of Public Instruction 著 - 1890完整檢視 - 關於此書
 | Robert Simson - 1806 - 546 頁
...greater than CA, and BC, CA greater than AB. Therefore, any two sides, &c. Q- ED PROP. XXI. THEOR. See N. IF, from the ends of the side of a triangle, there...of the triangle, but shall contain a greater angle. Let the two straight lines BD, CD be drawn from B, C, the ends of the side BC of the triangle ABC,... | |
 | John Playfair - 1806 - 320 頁
...Therefore any two sides, &c. QED PROP. XXI. THEOR. IF from the ends of one side of a triangle there N. " be drawn two straight lines to a point within the triangle, these two lines shall be less than the other two sides of the triangle, but shall contain a greater angle.... | |
 | John Mason Good - 1813 - 714 頁
...XX. Theor. Any two sides of a triangle •re together greater than the third side. Prop. XXI. Theor. If, from the ends of the side of a triangle, there...less than the other two sides of the triangle, but (hall contain a greater angle. Prop. XXII. Prob. To make a triangle of •which the sides shall be... | |
 | Euclides - 1814 - 560 頁
...greater than CA, and BC, CA greater than AB. Therefore any two sides, &c. QED PROP. XXI. THEOR. . Ir from the ends of the side of a triangle, there be...of the triangle, but shall contain a greater angle. Let the two straight lines BD, CD, be drawn from B, C, the ends'of the side BC of the triangle ABC,... | |
 | Euclides - 1816 - 588 頁
...greater than AB. Therefore any two sides, &c. QED ' PROP. XXI. THEOR. *«e jf.I*' from the ends.of the side of a triangle, there be drawn two straight lines to a point within the trir angle, these shall be less than the other two sides of the triangle, but shall contain a greater... | |
 | John Playfair - 1819 - 350 頁
...CA greater than AB. Therefore any two sides, &c. QE D, E PROP. XXI. THEOR. If from ike ends of one side of a triangle, there be drawn two straight lines to a point within the triangle, these two lines shall be less than the other two sides of the triangle, but shall contain a greater angle.... | |
 | John Mason Good - 1819 - 800 頁
...XX. Theor. Any two sides of a triangle are together greater than the third side. Prop. XXI. Ihcur. If. from the ends of the side of a triangle, there be drawn two straight lint; to a point within the triangle, the^e shall be le»! than the other two sides of the triangle,... | |
 | John Playfair - 1819 - 354 頁
...BC, CA greater than AB. Therefore any two sides, &c. QED E PROP'. XXI. THEOR. y from the ends of one side of a triangle, there be drawn two straight lines to a point within tht triangle, these two lines shall be less than tin: other two sides of the triangle, but shall contain... | |
 | Peter Nicholson - 1825 - 1046 頁
...than CA, and BC, CA greater than AB. Therefore any two sides, Sec. QED Propoíiíion. XX/. Theoren. If, from the ends of the side of a triangle, there...of the triangle, but shall contain a greater angle. Let the two straight lines BD, CD be drawn from В, С, the ends of the side BC of the triangle ABC,... | |
 | Euclid, John Playfair - 1826 - 326 頁
...side of a triangle, there be drawn two straight lines to a point within the triangle, these two lines shall be less than the other two sides of the triangle, but shall eontain a greater angle. L'el the two straight lines BD, CD be drawn from B, C, the em's of the side... | |
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