| Robert Simson - 1762 - 466 sider
...therefore if one fide, &c. Q._E. D. PROP. XVII. THEOR. AN Y two angles of a triangle are together lefs **than two right angles. Let ABC be any triangle ; any two of its angles together are** lefs than two right angles. Produce BC to D; and becaufe ACD is the exterior angle of the triangle... | |
| Robert Simson - 1775 - 520 sider
...Therefore, if one fide, &c. Q;.ED PROP. XVII. THEO R. ANY two angles of a triangle are together lefs **than two right angles. Let ABC be any triangle ; any two of its angles together are** lefs than two right angles. Produce BC to D ; and becaufe ACD is the exterior angle of the triangle... | |
| Euclid - 1781 - 520 sider
...Therefore, if one fide, &c. Q^ ED A PROP. XVII. THEO R. NY two angles of a triangle arc together lefs **than two right angles. Let ABC be any triangle ; any two of its angles together are** lefs than two right angles. Produce BC to D ; and becaufe ACD is the exterior angle of the triangle... | |
| Alexander Ingram - 1799 - 351 sider
...Q^ED b i5. i. A a i6. i. b i3. i. PROP. XVII. THEOR. NY two angles of a triangle are together lefs **than two right angles. Let ABC be any triangle ; any two of its angles together are** lefs than two right angles. Produce BC to D ; and becaufe ACD is the exterior angle of the triangle... | |
| Robert Simson - 1804
...therefore if one fide, &c. Q^ ED A PROP. XVII. THEOR. NY two angles of a triangle are together lefs **than two right angles. Let ABC be any triangle ; any two of its angles together are** lefs than two tight angles. Produce BC to D; and becaufe ACD is the exterior angle of the triangle... | |
| John Playfair - 1806 - 311 sider
...BCG, that if*b -the angle ACD, is greater than the angle ABC. Therefore, if one side, &c. Q. E, D. **PROP. XVII. THEOR. ANY two angles of a triangle are...less than two right angles. Let ABC be any triangle** j any two of its angles together are less than two right angles. Produce BC to D; and because ACD is... | |
| Robert Simson - 1806 - 518 sider
...BCG, d IS. 1. that is d, the angle ACD, is greater than the angle ABC. Therefore, if one side, &c. QED **PROP. XVII. THEOR. ANY two angles of a triangle are together less than two right angles.** A Let ABC be any triangle ; any two of its angles together are less than two right angles. Produce... | |
| Sir John Leslie - 1809 - 493 sider
...vertical angle BCF (Def. 10.), and hence BCF must be greater than either the angle CBA or CAB. PROP. XI. **THEOR. Any two angles of a triangle are together less than two right angles.** The two angles BAC and BCA of the triangle ABC are together less than two right angles. For produce... | |
| Euclid - 1810 - 518 sider
...angle BCG, that is d, the angle ACD, is greater than the angle ABC. ThereTore, if one side, &c. QED **PROP. XVII. THEOR. ANY two angles of a triangle are...than two right angles. Let ABC be any triangle; any** A . two of its angles together are less than two right angles. . Produce BC to D; and because ACD is... | |
| Euclides - 1816 - 528 sider
...the angle BCG, that is*, the angle ACD, is greater than the angle ABC. Therefore, if one side,&c. QED **PROP. XVII. THEOR. ANY two angles of a triangle are together less than two right angles. Let ABC** beany triangle;any two of its angles together are less than two right angles. Produce BC to D ; and... | |
| |