 | Francis Cuthbertson - Euclid's Elements - 1874 - 400 pages
...two of its sides equal. PROPOSITION II. The angles at the base of an isosceles triangle are equal; and if the equal sides be produced, the angles on...of the base shall be equal. Let ABC be an isosceles A , having the side AB = the side AC, then shall the i ABC be = the ^ A CB; also let the equal sides... | |
 | Euclides - 1874 - 120 pages
...PROPOSITION 5. THEOREM. 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 be equal to one another. * Let ABC be an isosceles triangle, having the ' • side AB equal to the side AC,... | |
 | Euclid, James Bryce, David Munn (F.R.S.E.) - Geometry - 1874 - 236 pages
...DF were produced. PROP. V. — THEOREM. The angles at the base of an isosceles triangle are equal, and if the equal sides be produced, the angles on the other side of the base are also equal. Let ABC be an isosceles triangle, having the side AB equal to the side AC; it is required... | |
 | Edward Atkins - 1874 - 428 pages
...another ; and if the equal sides be produced, tlie angles upon the other side of the base shall also be equal. Let ABC be an isosceles triangle, of which the side AB is AB = AC. equal to the side AC. Let the straight lines AB, AC (the equal sides of the triangle), be... | |
 | United States Naval Academy - 1874 - 888 pages
...and a half. 1. Prove that the angles at the base of an isosceles triangle are equal, and that if p equal sides be produced the angles on the other side of the base will be equal. В С is an isosceles triangle, В С the base ; if the angles ARC and AC В be bisected... | |
 | Robert Potts - Geometry - 1876 - 446 pages
...if the equal sides ba produced, the anglei on the other tide of the ha;., thall be equal. Let ABCtte an isosceles triangle of which the side AB is equal to AC, and let the equal sides AB, AC be produced to D and E. Then the angle -dUCshall be equal to the angle ACB, and the angle DBCto... | |
 | Henry Major - 1876 - 784 pages
...weeks. 1. Hypothesis — the two sides are eqnal. Conclusion — The angles at the base are equal, and, if the equal sides be produced, the angles on the other side of the base are also equal. 2. Euc. 1. 14. 3. Euc. I. 24. ANSWERS.— THIRD TEAR,—!. £132 Is. 8d. 2. 33i per... | |
 | Education Department,London - 1876 - 1010 pages
...postulate and an axiom. 2. 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 will be equal to one another. Show that the segments of BG, CF, in Euclid's figure, are equal, each... | |
 | Edward Atkins - 1876 - 130 pages
...another ; and if the equal sides be produced, the angles upon the other side of the base shall also be equal. Let ABC be an isosceles triangle, of which the side AB is AB = AC. equal to the side AC. Let the straight lines AB, AC (the equal sides of the triangle), be... | |
 | Euclides - 1877 - 58 pages
...proof of this proposition.] The angles at the base of an isosceles triangle are equal to each other; and if the equal sides be produced, the angles on...base shall be equal. Let ABC be an isosceles triangle in which the side AB is equal to the side AC, and let the sides AB, AC be produced to D and E ; then... | |
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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. 
