| Education - 1884
...four sides, AE, ED, DB, BA. — QED 2. If a side of any triangle be produced, the exterior angle i* **equal to the two interior and opposite angles ; and...every triangle are together equal to two right angles.** Prop. 32, Bk. I. 3. To describe a parallelogram that shall be equal to a given triangle, and have one... | |
| 1884
...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...opposite angles; and the three interior angles of every** triangle'are together equal to two right angles. 3. If a straight line be divided into two equal parts,... | |
| Woolwich roy. military acad - 1884
...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...and opposite angles; and the three interior angles** are equal to two right angles. If ABC be any triangle, and through D the middle point of AS, DE is... | |
| Stewart W. and co - 1884
...point A parallel to the given straight line BC. XXXII. — If a side of any triangle be produced, tht **exterior angle is equal to the two interior and opposite...and the three interior angles of every triangle are** equal to two right angles. Let ABC be a triangle, and let one of its sides BC be produced to D ; the... | |
| Popular educator - 1884
...connected with our present subject. Euclid has proved, in the 32nd Proposition of his First Book, that tho **three interior angles of every triangle are together equal to two right angles,** that is, to 180°. Let the reader bear this fact in mind. Hence it follows that if the measure of any... | |
| Euclides - 1884
...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 right angles.** Let ABC be a triangle, having one side BC produced to D. Then the exterior angle ACD shall be equal... | |
| Oxford univ, local exams - 1885
...with the square on the line between the points of section, is equal to the square on half the line. 5. **If a side of any triangle be produced, the exterior...every triangle are together equal to two right angles.** Enunciate the first corollary to this proposition. What number of sides must a rectilineal figure have... | |
| 1885
...greater than a second, the angle opposite the first must be greater than that opposite the second. 2. **If a side of any triangle be produced the exterior...every triangle are together equal to two right angles.** 3. If a parallelogram and a triangle be upon the same base and between the same parallels, the parallelogram... | |
| Education - 1885
...abbreviations for words may be used.] Answer two Questions, including Question 3, if you can. MALES. 1. **If a side of any triangle be produced, the exterior angle is** «Ч1»! to the two interior and opposite angles ; and the three interior angles of every triangle... | |
| Canada. Department of the Interior - 1888
...perpendicular can be drawn. 6. If one side of a triangle is produced, the exterior angle is equal to the Bum of **the two interior and opposite angles ; and the three interior angles of every triangle are** equal to two right angles. 7. Describe a square that shall be equal to a given parallelogram or to... | |
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