 | Isaac Sharpless - 1882 - 286 páginas
...the alternate angles EAD, ADC are equal, EF is parallel (I. 25) to BC. Proposition 30. Theorcm. — If one side of a triangle be produced, the exterior angle is equal to the two opposite interior angles; and the three interior angles of any triangle are equal to two right angles.... | |
 | 1883 - 248 páginas
...between the angles which the line drawn across makes with the two parallel straight lines. 4. Prove that, if one side of a triangle be produced, the exterior angle is equal to the sum of the two interior and opposite angles, and that the three angles of every triangle are together... | |
 | 1882 - 498 páginas
...together equal to two right angles, these two straight lines are in one and the same straight line. 6. If one side of a triangle be produced, the exterior angle is greater than either of the interior opposite angles. 7. The greater side of every triangle is opposite... | |
 | Marianne Nops - 1882 - 278 páginas
...straight lines meeting at one point are together equal to four right angles. PROPOSITION XVI., THEOREM 9. If one side of a triangle be produced, the exterior angle is greater than either of the interior opposite angles. Let BC, a side of A ABC, be produced to D. The... | |
 | Euclid, Isaac Todhunter - 1883 - 428 páginas
...the given straight line BG. QEF PROPOSITION 32. THEOREM. If a side of any triangle be produced, tJie exterior angle is equal to the two interior and opposite angles; and the three interior angles of every triangle are together equal to two right angles. Let ABC be a triangle, and... | |
 | Euclides - 1883 - 176 páginas
...equal. 35. The bisectors of two opposite vertical angles are in the same straight line. PROP. 16. THEOR. If one side of a triangle be produced, the exterior * angle is greater than either of the interior opposite angles. Given ABAC, having BC produced to D. To prove... | |
 | 1886 - 564 páginas
...other ; and if the equal sides be produced, the angles on the other side of the base are also equal. 8. If one side of a triangle be produced, the exterior angle is greater than either of the interior opposite angles. 4. Straight lines which are parallel to the same... | |
 | 1883 - 654 páginas
...equal to the angle contained by the two lides equal to them of the other. See Prop. VIII. Bk. I. 3. If one side of a triangle be produced, the exterior angle is greater than either of the interior opposite angles. See Prop. XVI. Bk. I. 20 [MARCH, 1882. Music.... | |
 | Joseph Hughes - 1883 - 568 páginas
...equal to the angle contained by the two sides equal to them of the other. See Prop. VIII. Bk. I. 3. If one side of a triangle be produced, the exterior angle is greater than either of the interior opposite angles. See Prop. XVI. Bk. I. THE PRACTICAL TEACHER. [MARCH,... | |
 | Woolwich roy. military acad - 1884 - 148 páginas
...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...the two interior 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... | |
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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 together equal to two right angles. 
