 | 1884 - 266 pages
...superficies," " a scalene triangle," " parallel straight lines." What is (1) a Postulate, (2) an Axiom ? 2. If any side of a triangle be produced, the exterior angle is equal to the two interior and opposite angles; and the three interior angles of every triangle'are together equal... | |
 | University of Cambridge - 1884 - 624 pages
...satisfy this condition ? 2. Any two sides of a triangle are together greater than the third side. 3. If a side of a 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... | |
 | Euclides - 1884 - 182 pages
...with regard to the sum of the angles of the triangle ABC. 75. PROPOSITION XXXII. — THEOREM. If a side of a triangle be produced, the exterior angle is equal to the two opposite interior angles ; and the interior angles of every triangle are together equal to two... | |
 | Woolwich roy. military acad - 1884 - 148 pages
...perpendicular to a given straight line of unlimited length, from a given point without it. 2. If a side of a triangle be produced, the exterior angle is equal to the two interior and opposite angles; and the three interior angles are equal to two right angles. If ABC... | |
 | 1885 - 696 pages
...are together equal to two right angles. Draw diagram and demonstrate. 8. If one side of a triangle is produced, the exterior angle is equal to the sum of the two interior and remote angles; and the sum of the three interior angles of every triangle is equal to two right angles.... | |
 | Illinois State Board of Health - Public health - 1885 - 692 pages
...together equal to two right angles. Draw diagram and demónstrate. 8. If one side of a triangle Is produced, the exterior angle Is equal to the sum of the two interior and remote angles; and the sum of the three interior angles of every triangle is equal to two right angles.... | |
 | Lewis Carroll - Geometry - 1885 - 318 pages
...another ; nor can one approach and then recede from another while on the same side of it. 18. (a) If a side of a Triangle be produced, the exterior angle is equal to each of the interior opposite angles. [I. 32.] (b) The angles of a Triangle are together equal to two... | |
 | William Chauvenet, William Elwood Byerly - Geometry - 1887 - 331 pages
...angles of any triangle is equal to two right angles. Corollary. If one side of a triangle is extended, the exterior angle is equal to the sum of the two interior opposite angles. PROPOSITION XXVII. The sum of all the angles of any polygon is equal to twice as many... | |
 | William Chauvenet, William Elwood Byerly - Geometry - 1887 - 332 pages
...angles of any triangle is equal to two right angles. Corollary. If one side of a triangle is extended, the exterior angle is equal to the sum of the two interior opposite angles. PROPOSITION XXVII. The sum of all the angles of any convex polygon is equal to twice... | |
 | Canada. Department of the Interior - 1888 - 756 pages
...sides also which Bubtand, or are opposite to, the equal angles, shall be equal to one another. 3. If a side of a triangle be produced, the exterior angle is equal to the twointerior and opposite angles; and the three interior angles of every triangle aretogether equal... | |
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If any side of a triangle be produced, the exterior angle is equal to the sum of the two interior and opposite angles. 
