 | Robert Simson - Trigonometry - 1762 - 466 pages
...which are the angles at the bafe of the triangle ABC. and it has alfo been proved that the angle FBC is equal to the angle GCB, which are the angles upon the other fide of the bafe. Therefore the angles at the bafe, &c. Q^ED COROLLARY. Hence every equilateral triangle... | |
 | Robert Simson - Trigonometry - 1775 - 520 pages
...which are the angles at the bafe of the triangle ABC : And it has alfo been proved that the angle FBC is equal to the angle GCB, which are the angles upon the other fide of the bafe. Therefore the angles at the bafe, &c. QED CoRoLLARY. Hence every equilateral triangle... | |
 | John Playfair - Trigonometry - 1795 - 444 pages
...which are the angles at the bafe of the triangle ABC : And it has alfo been proved that the angle FBC is equal to the angle GCB, which are the angles upon the other fide of the bafe. Therefore the angles at the bafe, &E.C. Q..ED CoRoLLARY. Hence everj equilateral... | |
 | Alexander Ingram - Trigonometry - 1799 - 351 pages
...•which are the angles at the bafe of the triangle ABC : And it has alfo been proved, that the angle FBC is equal to the angle GCB, which are the angles upon the other fide of the bafe. Therefore the angles at the bafe, Sec. QED COROLLARY. Hence every equilateral triangle... | |
 | Robert Simson - Trigonometry - 1804
...which are the angles at the bafe of the triangle ABC. and it has alfo been proved that the angle FBC is equal to the angle GCB, which are the angles upon the other fide of the bafe. Therefore the angles at the bafe, &c. .Q._E. D. . CoRoLLARY. Hence every equilateral... | |
 | John Playfair - Euclid's Elements - 1806 - 320 pages
...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...COROLLARY. Hence every equilateral triangle is also equi* angular. . PROP. VI. THEOR. IF two angles of a triangle be equal to one another, the sides which... | |
 | Euclides - 1814 - 558 pages
...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 base. Therefore the angles at the base, &c. QED In BD take any point F, and from AE the greater, cut • 3. i. off AG equal a to AF, the less, and... | |
 | Euclides - 1816 - 528 pages
...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...side of the base. Therefore the angles at the base, && QED COROLLAUY. Hence every equilateral triangle is also equiangular.' i' PROP. VI. THEOR. IF two... | |
 | Euclid, John Playfair - Circle-squaring - 1819 - 348 pages
...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...of the base. Therefore, the angles at the base, &c. Q, ED COROLLA.RY. Hence every equilateral triangle is also equiangular. PROP. VI. THEOR. . , If two... | |
 | John Playfair - 1819 - 317 pages
...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...side of the base. Therefore, the angles at the base, kc. QED COROLLARY. Hence every equilateral triangle is also equiangular.. PROP. VI. THEOR. If two angles... | |
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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, which are the angles upon the other side of the base. Therefore, " the... 
