| Euclid, John Playfair - 1853 - 317 páginas
...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
...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 - 361 páginas
...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
...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... | |
| Robert Potts - 1864
...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... | |
| Robert Potts - 1864
...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... | |
| Alexander Kennedy Isbister - 1865
...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 - 400 páginas
...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 - 400 páginas
...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... | |
| Robert Potts - 1868 - 410 páginas
...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... | |
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