| Edward Mann Langley, W. Seys Phillips - 1890 - 515 páginas
...two.thirds of the sum of the three diagonals AD, BE, CF. PROPOSITION 21. THEOREM. If from the ends of a **side of a triangle there be drawn two straight lines...of the triangle, but shall contain a greater angle.** From the ends B, C of the side BC of the A ABC let the two st. lines BD. CD be drawn to a point D within... | |
| Queensland. Department of Public Instruction - 1890
...greater angle of every triangle is subtended 1 greater side, or has the greater side opposite to it. 5. **If from the ends of the side of a triangle there be** two straight lines to a point within the triangle, these sh less than the other two sides of the triangle,... | |
| Rupert Deakin - 1891 - 79 páginas
...greater side opposite it. 20. Any two sides of a triangle are together greater than the third side. 21. **If from the ends of the side of a triangle there be...of the triangle, but shall contain a greater angle.** 22. To make a triangle of which the sides shall be equal to three given straight lines, any two of... | |
| Queensland. Department of Public Instruction - 1892
...I. 7, where the vertex of each triangle is without the other triangle. 17 5. If from the ends of a **side of a triangle there be drawn two straight lines to a point within the triangle,** then these straight lines shall be less than the other two sides of the triangle. 20 6. If two triangles... | |
| Euclid - 1892 - 167 páginas
...Proposition 20 by bisecting one of the angles. [See XXI. 10.] Proposition 21. 101. If from the ends of a **side of a triangle, there be drawn two straight lines to a point within the triangle,** then I. these straight lines together shall be less than the two sides of the triangle together, and... | |
| Henry Martyn Taylor - 1893 - 504 páginas
...point such that the difference of its distances from two fixed points is a maximum. PROPOSITION 21. **If from the ends of the side of a triangle there be...two straight lines to a point within the triangle,** the sum of these lines is less than the sum of the other two sides of the triangle, but they contain... | |
| Henry Martyn Taylor - 1895 - 657 páginas
...point such that the difference of its distances from two fixed points is a msximum. PROPOSITION 21. **If from the ends of the side of a triangle there be...two straight lines to a point within the triangle,** the sum of these lines is less than the sum of the other two sides of the triangle, but they contain... | |
| Great Britain. Civil Service Commission - 1896 - 96 páginas
...sequence of propositions. 1. From a given point to dra,wa straight line equal to a given straight line. 2. **If from the ends of the side of a triangle there be...point within the triangle, these shall be less than** i he other two sides of the triangle, but shall contain a greater angle, Prove that the sum of the... | |
| Queensland. Department of Public Instruction - 1897
...triangle there be drawn 20 two straight lines to a point within the triangle, then these straight lines **shall be less than the other two sides of the triangle, but shall contain a greater angle.** G. Describe a triangle having its sides equal to three 19 given straight lines, any two of which are... | |
| Seymour Eaton - 1899 - 340 páginas
...to BA and AC. Therefore BA and AC are greater than BC. PROPOSITION 21. THEOREM If from the ends of a **side of a triangle there be drawn two straight lines to a point within the triangle, these shall** together be less than the other two sides of the triangle, but shall contain a greater angle. Let ABC... | |
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