 | Euclid, John Playfair - 1853 - 336 pàgines
...ACB, which are the angles at the i base of the triangle ABC : And it has also been proved that the FBC is equal to the angle GCB, which are the angles upon the ot1of the base. COROLLARY. Hence every equilateral triangle is also equian PROP. VI. THEOR. If two... | |
 | Euclides - 1853 - 146 pàgines
...ACF, the parts of which, the angles CBG, BCF, are also equal; therefore 6. The remaining angle ABC is equal to the remaining angle ACB, which are the angles at the base of the triangle ABC. And it has also been proved that the angle FBC is equal to the angle GCB,... | |
 | Robert Potts - 1860 - 380 pàgines
...to the remaining angle A CB, which are the angles at the base of the triangle ABC; and it has also been proved, that the angle FBC is equal to the angle GCB, which are the angles upon the other side of the base. Therefore the angles at the base, &c. QED COE. Hence an equilateral triangle is also... | |
 | Euclides - 1862 - 140 pàgines
...remaining angle ACB. (ax. 3.) Which are the angles at the base of the triangle ABC. 14. And it has been proved that the angle FBC is equal to the angle GCB. (demonst. 11.) Which are the angles upon tlxe other side of the base. Conclusion. — Therefore, the... | |
 | Euclides - 1864 - 262 pàgines
...which are the angles at the base of the triangle ABC; and it has also been proved, that the angle FBCis equal to the angle GCB, which are the angles upon the other side of the base. Therefore the angles at the base, &c. QED COR. Hence an equilateral triangle is also... | |
 | Euclides - 1864 - 448 pàgines
...which are the angles at the base of the triangle ABC; and it has also been proved, that the angle FBCis equal to the angle GCB, which are the angles upon the other side of the base. Therefore the angles at the base, &c. QED COE. Hence an equilateral triangle is also... | |
 | Robert Potts - 1865 - 528 pàgines
...equal to the remaining angled CB, which are the angles at the base of the triangle ABC; and it has also been proved, that the angle FBC is equal to the angle GCB, which are the angles upon the other side of the base. Therefore the angles at the base, &c. QBD CoR. Hence an equilateral triangle is also... | |
 | Euclides - 1865 - 402 pàgines
...equal to the remaining; angle ACB, whioh are the angles at the base of the triangle ABC. And it has been proved, that the angle FBC is equal to the angle GCB, which are the angles upon the other side of the base. Therefore the angles at the base, &c. QED Cor. Hence every equilateral triangle is... | |
 | Euclid, Isaac Todhunter - 1867 - 424 pàgines
...angle ACB, which are the angles at the base of the triangle ABC. [Axiom 3. And it has also been shewn that the angle FBC is equal to the angle GCB, which are the angles on the other side of the base. Wherefore, the angles &c. QED Corollary. Hence every equilateral triangle... | |
 | Euclid, Isaac Todhunter - 1867 - 426 pàgines
...that the parts of these, the angles CBG, BCF are also equal ; therefore the remaining angle ABC is equal to the remaining angle ACB, which are the angles at the base of the triangle ABC. [Axiom 3. And it has also been shewn that the angle FBC is equal to the angle... | |
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ABC: and it has also been proved that the angle FBC is equal to the angle GCB, which are the angles upon the other side of the base. Therefore the angles at the base, &c. 
