 | John Playfair - Euclid's Elements - 1842 - 332 pages
...and their other angles, to which the equal sides are 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... | |
 | Euclides - 1842 - 316 pages
...which the equal sides are opposite shall be equal, each to 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... | |
 | Euclid, James Thomson - Geometry - 1845 - 382 pages
...it would appear that the angles formed hy producing AC and DF through (J and F are equal. PROP. V. THEOR. — The angles at the base of an isosceles triangle are equal to one another ; and, if the equal sides he produced, the angles upon the other side of the base are... | |
 | Euclid, John Playfair - Euclid's Elements - 1846 - 334 pages
...and their other angles, to which the equal sides are 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... | |
 | Euclid, Thomas Tate - 1849 - 120 pages
...which the equal sides are opposite shall be equal, each to 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... | |
 | Euclides - 1852 - 152 pages
...coincide with EF, unless it be possible for two straight lines to enclose a space.] c 2 BOOK I. PEOP. 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... | |
 | Royal Military Academy, Woolwich - Mathematics - 1853 - 400 pages
...equal sides are opposite shall be equal, each to each. Which was to be demonstrated. PROPOSITION V. THEOR. The angles at the base of an isosceles triangle are equal to one another ; and if the equal sides be produced, the angle* upon the other side of the base shall... | |
 | Euclides - 1863 - 74 pages
...that distance on the scale will be the repruentatitc asurement of the actual distance AB. PROF. 5. — THEOR. The angles at the base of an isosceles triangle are equal to each ether ; and if the equal sides be produced, the angles on the other side of the base shall... | |
 | Euclides - 1870 - 270 pages
...our purpose, we use the method of Representative Values, or of Geometrical Construction. PROP. 5. — THEOR. The angles at the base of an isosceles triangle are equal to each other ; and if the equal sides be produced, the angles on the other side of the base shall... | |
 | Euclides - 1883 - 176 pages
...cutting AB at E. v A is centre of 0 DEF, AE = AD (Def. 11), and AD = C (cons.), .-. AE = CQEF EU. I. 5. THEOR. 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 shall... | |
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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 AB is equal to... 
