| Great Britain. Committee on Education - School buildings - 1855 - 976 pages
...straight line of an unlimited length, from a given point without it. 3. If a side of any triangle he **produced, the exterior angle is equal to the two interior...every triangle are together equal to two right angles.** 4. Equal triangles upon the same base and upon the same side of it, are between the same parallels.... | |
| John Playfair - Geometry - 1855 - 334 pages
...EAF is drawn through the given point A parallel to the given straight line BC. PROP. XXXII. THEOR. **If a side of any triangle be produced, the exterior angle is equal to the** tivo interior and opposite angles ; and the three interior angles of tvery triangle are equal to two... | |
| W F. Richards - Elementary school teaching - 1856 - 198 pages
...opposite to equal sides, show that these two triangles are not necessarily equal to one another. 4. **If a side of any triangle be produced, the exterior...every triangle are together equal to two right angles.** 5. If a straight line be divided into any two parts, the square of the whole line is equal to the squares... | |
| Cambridge univ, exam. papers - 1856 - 252 pages
...into two equal angles. 2. Any two sides of a triangle are together greater than the third side. 4. **If a side of any triangle be produced, the exterior...and the three interior angles of every triangle are** equal to two right angles. If two sides of any triangle be produced, the two exterior angles are together... | |
| Euclides - 1856 - 168 pages
...together equal to the two FBC, DBC, that is. to two right angles. XIV.— EUCLID I. 32. If one side of a **triangle be produced, the exterior angle is equal...the two interior and opposite angles; and the three** angles of every triangle are together equal to two right angles. Let ABC (Fig. 9) be a triangle, and... | |
| John Playfair - Euclid's Elements - 1856 - 346 pages
...given point A parallel to the given straight line BC. PROP. XXXII. THEOR. If a side of any triangle oe **produced, the exterior angle is equal to the two interior and opposite angles** ; andlthe three interior angles of every triangle are equal to two right i Let ABC be a triangle, and... | |
| Henry Latham - 1857 - 390 pages
...Construct a triangle of which the base, the sum of the other sides, and the vertical angle are given. 2. **If a side of any triangle be produced, the exterior...every triangle are together equal to two right angles.** At what angles are the sides of a regular duodecagon inclined to each other? 3. If a straight line... | |
| 1857 - 400 pages
...sides of a triangle, parallel to the base; and prove that the line so drawn bisects the other side. 5. **If a side of any triangle be produced, the exterior...is equal to the two interior and opposite angles.** If the triangle is equilateral, what is the relation between the exterior angle and the adjacent interior... | |
| Education - 1857 - 1266 pages
...EUCLID. FIRST YEAR. SECTION I. — 1. The angles at the base of an isosceles triangle arc equal. 2. **The three interior angles of every triangle are together equal to two right angles.** 3. To a given straight line apply a rectangle equal to a given rectilineal figure. SECTION II. —... | |
| Great Britain. Parliament. House of Commons - Bills, Legislative - 1858 - 694 pages
...less than the other two sides of the triangle, but shall contain a greater angle. 3. PKOP. XXXII.— **If a side of any triangle be produced, the exterior...every triangle are together equal to two right angles.** 4. Enunciate and prove the corollaries of the last proposition. 5. PROP. XLIV. — To a given straight... | |
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