| Euclid - 1781 - 520 sider
...; that is, the centre is in CA. Therefore, if a ftraight line, &c. D. D PROP. XX. THEO R. THE nngle **at the centre of a circle is double of the angle at the** circumference, upon the fame bafe, that is, upon the fame part of the circumference. Let B t. b 32.... | |
| Alexander Ingram - 1799 - 351 sider
...; that is, the centre is in CA. Therefore, if a ftraight line, &.c. Q^ ED a is. 3. PROP. XX. THEOR. **THE angle at the centre of a circle is double of the angle at the** circumference, upon the fame bafe, that is, upon the fame part of the circumference. Let ABC be a circle,... | |
| Dugald Stewart - 1802
...different quantities, and the connexions which exifl between different relations. When we demonftrate, that **the angle at the centre of a circle is double of the angle at the** circumference on the fame bafe, we afcertain a relation between two quantities. When we demonftrate,... | |
| Euclid, John Playfair - 1804 - 440 sider
...the centre ; that is, the centre is in CA. Therefore, if a flraight line, &.c. Q^ED PROP. XX. THE OR. **THE angle at the centre of a circle is double of the angle at the** circumference, upon the fame bafe, that is, upon the fame part of the circumference. Let ABC be a circle,... | |
| Euclid, Robert Simson - 1806 - 518 sider
...centre ; that is, fore, if a straight line, &c. QB the centre is in CA. ED PROP. XX. THEOR. s«« N. **THE angle at the centre of a circle is double of the angle at the** circumference, upon the same base* that is, upon the same part of the circumference. B a 5.1. b33.... | |
| Sir John Leslie - 1809 - 493 sider
...straight lines CA, CD, and CB being all equal, the point C is the centre of the circle. PROP. XIX. THEOR. **The angle at the centre of a circle is double of the angle** which, standing on the same arc, has its vertex in the circumference. Let AB be an arc of a circle;... | |
| John Gummere - 1814 - 346 sider
...CBD, of the triangle ABC, is equal to the sum of the internal and opposite angles A and C. Fig. 3710. **The angle at the centre of a circle is double of the angle at the** circumference, upon the same base, that is, upon the same part of the circumference : thus the angle... | |
| Euclides - 1816 - 528 sider
...the centre ; that is, the centre is in CA. Therefore, if a straight line, &c. QED PROP. XX. THEOR. **THE angle at the centre of a circle is double of the angle at the** circumference, upon the same base, that is, upon the same part of the circumference. Let ABC be a circle,... | |
| Sir John Leslie - 1817 - 432 sider
...lines CA CD, and CB being all equal, the point C is the centre of the circle. PROP. XV. THEQR. . , **The angle at the centre of a circle is double of the angle** which, standing on the same arc, has its vertex in the circumference.. Let AB be an arc of a circle... | |
| John Playfair - 1819 - 333 sider
...the centre; thafris, the centre is in CA. Therefore, if* straight line, &c. QED r B PROP. XX. THEOR. **The angle at the centre of a circle is double of the angle at the** circumference, upon the same base, that is, upon the same part of the circumference. . Let ABC be a... | |
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