 | Alexander Ingram - 1799 - 374 páginas
...; 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... | |
 | Dugald Stewart - 1802 - 632 páginas
...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,... | |
 | John Playfair, Euclid - 1804 - 468 páginas
...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... | |
 | Robert Simson - 1806 - 546 páginas
...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.... | |
 | Sir John Leslie - 1809 - 522 páginas
...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...circumference. Let AB be an arc of a circle; the angle which it terminates at the centre, is double of ADB the corresponding angle at the circumference. For join DC... | |
 | Sir John Leslie - 1809 - 542 páginas
...CD, and CB being all equal, the point C is the centre of the circle. i.. • PROP. XIX. THEOR. ;• The angle at the centre of a circle is double of the...the same arc, has its vertex in the circumference. D. Let AB be an arc of a circle ; the angle which it terminates at the centre, is double of ADB the... | |
 | John Gummere - 1814 - 398 páginas
...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... | |
 | Euclides - 1816 - 588 páginas
...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... | |
 | John Playfair - 1819 - 350 páginas
...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... | |
 | John Mason Good - 1819 - 800 páginas
...right angles to the touchingline, the centre of the circle shall be in that line. 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. Prop. XXI.... | |
| |
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. 
