| Euclides - 1842 - 316 pages
...each. Which was to be demonstrated. PROP. V. THEOR. THE angles at the base of an isosceles triangle are equal to one another ; and if the equal sides be produced, the angles upon the other side of the base shall be equal. Let ABC be an isosceles triangle, of which the side... | |
| John Playfair - Euclid's Elements - 1842 - 332 pages
...opposite, shall be equal, each to each. PROP. V. THEOR. The angles at the base of an Isosceles triangle are equal to one another ; and if the equal sides be produced, tfte angles upon the other side of the base shall be equal. Let ABC be an isosceles triangle, of which... | |
| Church schools - 1844 - 456 pages
...find the distance between them. 1842. GEOMETRY. 1. The angles at the base of an isosceles triangle are equal to one another ; and if the equal sides be produced, the angles on the other side of the base are equal. 2. Give different methods of drawing a straight line at right... | |
| Euclid - Geometry - 1845 - 218 pages
...Which was to be demonstrated. PROPOSITION V. THEOR. — The angles at the base of an isoscelet triangle are equal to one another ; and if the equal sides be produced, the angles upon the other side of the base shall be equal. Let ABC be an isosceles triangle, of which the side... | |
| Great Britain. Admiralty - Geometry - 1846 - 128 pages
...if two triangles have, &c. PROP. V. THEOR. 5. 1 Eu. The angles at the base of an isosceles triangle are equal to one another ; and if the equal sides be produced, the angles upon the other side of the base shall be equal. Let AB and AC be prod, to D and E. Then L ABC = Z ACB,and... | |
| Euclid, John Playfair - Euclid's Elements - 1846 - 334 pages
...opposite, shall be equal, each to each. PROP. V. THEOR. The angles at the base of an Isosceles triangle are equal to one another ; and if the equal sides be produced, the angles upon the other side of the base shall be equal. Let ABC be an isosceles triangle, of which the side... | |
| Euclides - 1846 - 292 pages
...Wherefore, If two triangles &c. QED PROP. V. THEOR. The angles at the base of an isosceles triangle an equal to one another ; and, if the equal sides be produced, the angles upon the other side of the base shall be equal. Let ABC be an isosceles triangle, of which the side... | |
| Euclides - 1848 - 52 pages
...which the equal sides are opposite. PROP. V. THEOREM. The angles at the base of an isosceles triangle are equal to one another : and if the equal sides be produced, the angles upon the other side of the base shall be equal. COR. Hence every equilateral triangle is also equiangular.... | |
| Euclid, Thomas Tate - 1849 - 120 pages
...each. Which was to be demonstrated. PROP. V. THEOR. The angles at the base of an Isosceles triangle are equal to one another; and, if the equal sides be produced, the angles upon the other side of the base shall be equal. Let ABC be an Isosceles triangle, of which the side... | |
| 1852 - 316 pages
...And, though it hath beginning, sees no end." . III. The angles at the base of an isosceles triangle are equal to one another ; and if the equal sides be produced, the angles on the other side of the base are also equal. IV. In any right-angled triangle the square of the side... | |
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