 | Euclid, John Playfair - Euclid's Elements - 1846 - 334 pages
...of straight lines meeting- in one point, are together equal to four right angles. PROP. XVI. THEOR. If one side of a triangle be produced, the exterior angle is greater than either of the interior, and opposite angles. Let ABC be a triangle, and let its side BC... | |
 | Great Britain. Admiralty - Geometry - 1846 - 128 pages
...any num-ber of lines meeting in one pt., are together equal to 4 rt. L s. PROP. XV. THEOR. 16.1 Eu. If one side of a triangle be produced, the ex-terior angle is greater than either of the interior opposite angles. Let ABC be a </\ and the side BC be prod, to D;... | |
 | Euclides - 1846 - 292 pages
...any number of lines meeting in one point, are together equal to four right angles. PROP. XVI. THEOR. If one side of a triangle be produced, the exterior angle is greater than either of the interior opposite angles, Let ABC be a triangle, and let its side BC be... | |
 | Great Britain. Admiralty - Geometry - 1846 - 128 pages
...any number of lines meeting in one pt., are together equal to 4 rt. /_s. PROP. XV. THEOR. 16. lEu. If one side of a triangle be produced, the exterior angle is greater than either of the interior opposite angles. Let ABC be a ^\, and the side BC be prod, to D... | |
 | Euclides - 1847 - 128 pages
...DG, drawn from c, D, and meeting in o, make = L • with AB. — QEF PROP. XVI. THEOR. GEN. ENUN. — If one side of a triangle be produced, the exterior angle is greater than cither of the interior opposite angles. PART. ENUN. — Let a side BC of any A ABC be... | |
 | Euclides - 1848 - 52 pages
...made by any number of lines meeting in one point, are together equal to four right angles. PROP. XVI. THEOREM. If one side of a triangle be produced, the exterior angle is greater than either of the interior opposite angles. PROP. XVII. THEOREM. Any two angles of a triangle... | |
 | Euclid, Thomas Tate - 1849 - 120 pages
...any number of lines meeting in one point, are together equal to four right angles. PROP. XVI. THEOR. If one side of a triangle be produced, the exterior angle is greater than either of the interior opposite angles. Let ABC be a triangle, and let its side BC be... | |
 | 1850 - 400 pages
...suspended from B; find the thrusts on AC, and the strains upon AD and DC. •_ III.—ffiutlfo. I. IF one side of a triangle be produced, the exterior angle is greater than either of the interior opposite angles. 2. If a right line be divided into two equal parts,... | |
 | Education - 1850 - 488 pages
...other: the base of that which has the greater angle shall be greater than the base of the other. 2. If one side of a triangle be produced, the exterior angle is greater than cither of the interior opposite angles. SECTION II. 1. If a straight line falling upon... | |
 | Great Britain. Committee on Education - School buildings - 1850 - 790 pages
...another upon one side of it are either two right angles, or are together equal to two right angles. 2. If one side of a triangle be produced, the exterior angle is greater than either of the two interior opposite angles. 3. If a square described on one of the sides... | |
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If a side of any triangle be produced, the exterior angle is equal to the, two interior and opposite angles ; and the three interior angles of every triangle are equal to two right angles. 
