 | Euclid, John Playfair - Euclid's Elements - 1826 - 326 pages
...angles upon the other side of the base. Therefore j the angles at the base, &e. QED COROLLARY. Henee every equilateral triangle is also equiangular* PROP....THEOR. If two angles of a triangle be equal to one- ariother, th& sides whieh subtend, or are Opposite to them, are also equal to one another. Let ABC... | |
 | Euclid - 1826 - 234 pages
...another. QED COROLLARY. Hence every equilateral triangle is also equiangular. PROPOSITION VI. THEOREM. If two angles of a triangle be equal to one another, the sides subtending the equal angles shall be equal to one another. Let ABC be a triangle, having the angle... | |
 | Robert Simson - Trigonometry - 1827 - 546 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. 1;. ./1. COROLLARY. — Hence every equilateral triangle is also equiangular. PROP. VI. THEOR. If... | |
 | Euclid, Robert Simson - Geometry - 1829 - 548 pages
...which are the angles at the base of the triangle ABC : an4 it has also been proved that the angle FBC is equal to the angle GCB, which are the angles upon...equiangular. » PROP. VI. THEOR. IF two angles of a triangle 1)£ equal to one another, the sides also which subtend, t>r are opposite to, the equal angles, shall... | |
 | John Playfair - Euclid's Elements - 1832 - 358 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...equilateral triangle is also equiangular. PROP. VI. THEOR. Iftwoanglesnfatrianglebe equal to one another, the sides which subtend, or are opposite to them, are... | |
 | John Playfair - Euclid's Elements - 1833 - 346 pages
...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...equilateral triangle is also equiangular. PROP. VI. THEOR. Jftwo angles of a triangle be equal to one another, the sides which subtend, or are opposite to themf... | |
 | Euclides - 1834 - 518 pages
...th'e angles at f 3 Ax. 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. v. ED COROLLARY. — Hence, every equilateral triangle is also equiangular. PROPOSITION VI. THEOR.... | |
 | Robert Simson - Trigonometry - 1835 - 544 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...also which subtend, or are opposite to, the equal anyles, shall be equal to one another. Book I. Let ABC be a triangle having the angle ABC equal to... | |
 | Euclid - 1835 - 540 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...a triangle be equal to one another, the sides also ii'hich subtend, or are opposite to, the equal angks, shall be equal to one another. 4 Book I. Let... | |
 | John Playfair - Euclid's Elements - 1835 - 336 pages
...that side is specially assumed as the base, which is not equal to either of the other two. PROP. IV. THEOR. If two angles of a triangle be equal to one another, the sides which subtend, or are opposite to them, are also equal to one another. Let ABC be a triangle having... | |
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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... 
