| John Playfair - Geometry - 1837 - 332 pages
...and opposite angles ; and the three interior angles of every triangle are equal to two rightfmgles. **Let ABC be a triangle, and let one of its sides BC be produced to D ; the** exteripr angle ACD is equal to the two interior and opposite angles CAB, ABC ; and the three interior... | |
| Charles Reiner - Geometry - 1837 - 246 pages
...the exterior angle is greater than either of the interior and opposite angles. 7. If one side of a **triangle be produced, the exterior angle is equal to the two interior and opposite angles.** 8. If each of the sides of a triangle be produced, the three exterior angles are, together, equal to... | |
| Euclid - Geometry - 1837 - 410 pages
...to that which is described by either extremity of the base.* BOOK I. PROP. XXXII. THEOR. IF a side **of any triangle be produced, the exterior angle is equal to the two interior and** remote angles ; and the three interior angles of every triangle are together equal to two right angles.... | |
| Andrew Bell - Euclid's Elements - 1837 - 240 pages
...A parallel to the given straight line BC. PROPOSITION XXXII. THEOREM. If a side of any triangle he **produced, the exterior angle is equal to the two interior and opposite angles ; and** vie three interior angles of every triangle are equal to two right angles. Let ABC he a triangle, and... | |
| Euclides - 1838 - 264 pages
...point A, parallel to the given straight line BC. Which was to be done. PROP. XXXII. THEOR. If a side **of any triangle be produced, the exterior angle is...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... | |
| Robert Simson - Geometry - 1838 - 434 pages
...equal to the two interior and opposite angles; and the three interior angles of every triangle are **equal to two right angles. Let ABC be a triangle,...sides BC be produced to D ; the exterior angle ACD** is equal to the two interior and opposite angles CAB, ABC ; and the three interior angles of the triangle,... | |
| Euclides - 1841 - 378 pages
...point A, parallel to the given straight line BC. Which was to he done. . PROP. XXXII. THEOR. If a side **of any triangle be produced, the exterior angle is...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... | |
| John Playfair - Euclid's Elements - 1842 - 332 pages
...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...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... | |
| Euclides - 1842 - 320 pages
...through the given point A parallel to the given straight line в c. QEF PROP. XXXII. THEOR. IF a side **of any triangle be produced, the exterior angle is...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, вc be produced to D; the... | |
| Scotland free church, gen. assembly - 1847 - 552 pages
...FIRST CLASS-GEOMETRY. 1. The greater side of every triangle has the greater angle opposite to it. 2. **The three interior angles of every triangle are together equal to two right angles.** 3. Parallelograms upon equal bases, and between the same parallels, are equal. 4. If a straight line... | |
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