| Robert Simson - Trigonometry - 1806 - 546 pages
...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 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 the... | |
| John Mason Good - 1813 - 714 pages
...triangle •re together greater than the third side. Prop. XXI. Theor. 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 (hall contain a greater angle. Prop. XXII.... | |
| Euclides - 1814 - 560 pages
...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,...two straight lines BD, CD, be drawn from B, C, the ends'of the side BC of the triangle ABC, to the point D within it; BD and DC are less than the other... | |
| Euclides - 1816 - 588 pages
...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 - 354 pages
...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 - Mathematics - 1825 - 1046 pages
...than AB. Therefore any two sides, Sec. QED Propoíiíion. XX/. Theoren. 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 the... | |
| Euclid, John Playfair - Euclid's Elements - 1826 - 326 pages
...greater than AB. Therefore any two Bides, &e. QED E PROP. XXI. THEOR. If from the ends of one side of a triangle, there be drawn two straight lines to...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... | |
| Robert Simson - Trigonometry - 1827 - 546 pages
...side of a triangle, there be drawn See N. two straight lines to a point 1cithin the triangle, these shall be less than the other two sides of the triangle, but shall contain a greater angle. Let ABC be a triangle, and from the points B, C, c 13. 1. 1 5. 1. t 9 Ax. 19. 1. the ends of the side BC,... | |
| John Playfair - Euclid's Elements - 1833 - 346 pages
...Therefore any two sides, &c. QED PROP. XXI. THEOR. If from the ends of one side of a triangle, tJiere be drawn two straight lines to a point within the triangle, these two lines shall he less than the other two sides of the triangle, but shall contain a greater angle. Let the two straight... | |
| Thomas Perronet Thompson - Euclid's Elements - 1833 - 168 pages
...would be two of its sides together not greater than the third. THEOREM — If from the ends of the side of a triangle, there be drawn two straight lines to a point milhin the triangle, these See Note *hall together be less than the two sides of thejirst triangle,... | |
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