| Euclid, Phillips - 1826 - 180 páginas
...be equal to the remaining angle ACB : and they are at the base of the triangle ABC. But it has also **been proved, that the angle FBC is equal to the angle GCB, which are** under the base. Therefore the angles which are at the base of isosceles triangles are equal to one... | |
| Robert Simson - 1827 - 513 páginas
...the parts of which, the angles CBG, BCF are also equal; therefore the f 3 Ax. 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,... | |
| John Playfair - 1833 - 333 páginas
...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, which are the angles** tipon the other side of the base. Therefore, the" angles at the base, &c. QED COROLLARY. Hence every... | |
| Euclid, Robert Simson - 1835 - 513 páginas
...ABG is equal to the whole ACF, the parts of which, the angles CBG, BCF are also equal; the remaining **angle ABC is therefore 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,... | |
| John Playfair - 1836 - 114 páginas
...equal to the whole angle ACF, the parts of which, the angles CBG, BCF are also equal ; the remaining **angle ABC is therefore 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,... | |
| Andrew Bell - 1837 - 240 páginas
...that the whole angle ABG is equal to the whole ACF, and the part CBG to the part BCF, the remaining **angle ABC is therefore 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,... | |
| Euclides - 1838
...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, which are the angles upon the other** side of the base. Therefore the angles at the base, &c. QED COR. — Hence every equilateral triangle... | |
| Euclid - 1838 - 416 páginas
...ABG is equal to the whole ACF, the parts of which, the angles CBG, BCF are also equal; the remaining **angle ABC is therefore 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,... | |
| Euclides - 1841
...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, which are the angles upon the other** side of the base. Therefore the angles at the base, &c. QED COROLLARY. Hence every equilateral triangle... | |
| John Playfair - 1842 - 317 páginas
...that the whole angle ABG is equal to the whole ACF, and the part CBG to the part BCF, the remaining **angle ABC is therefore 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,... | |
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