 | Robert Simson - 1762 - 488 σελίδες
...angles. PROP. XXXII. THEOR. IF a ftraight line touches a circle, and from the point of contact a ftraight line be drawn cutting the circle, the angles made by this line with the line touching the circle, fhall be equal to the angles which are in the alternate fegjneuts of the circle. Let the ftraight line... | |
 | Robert Simson - 1775 - 534 σελίδες
...equal to the other two, it is a right angle, becaufe the angle adjacent to it is equal to the fame two ; and when the adjacent angles are equal, they are right angles. PROP. XXXH. THEO R. TF a ftraight line touches a circle, and from the point of contact a ftraight line be... | |
 | Robert Simson - 1781 - 534 σελίδες
...P. XXXII. THE OR. TF a ftraight line touches a circle, and from the point ,<, of contact a ftraight line be drawn cutting the circle, the angles made by this line with the line touching the circle, fhall be equal to the angles which are in the alternate fegments of the circle. Let the ftraight line... | |
 | Euclid, John Playfair - 1795 - 462 σελίδες
...PROP. XXXII. THEO R. IF a ilraight line touches a circle, and from the point of contadi a ftraight line be drawn cutting the circle, the angles made by this line with the line touching the circle, fhall be equal to rhe angles which are in the alternate fegments of the circle. From the point B draw... | |
 | Alexander Ingram - 1799 - 374 σελίδες
...angle. PROP. XXXII. THEOR. IF a flraight line touches a circle, and from the point of contact a rtraight line be drawn, cutting the circle, the angles made by this line, with the line touching the circle, fliall be equal to the angles which are in the alternate fegments of the circle. Let the ftraight line... | |
 | John Playfair, Euclid - 1804 - 468 σελίδες
...angles. PROP. XXXII. THEO R. IF a ftraight line touch a circle, and from the point of contact a ftraight line be drawn cutting the circle, the angles made by this line with the line which touches the circle, fhall be equal to the angles ia the alternate fegments of the circle. Let... | |
 | Robert Simson - 1804 - 530 σελίδες
...equal to the other two, it is a right angle, becaufe the angle adjacent to it is equal to the fame two; and when the adjacent angles are equal, they are right angles. PROP. XXXII. THE OR. IF a ftraight line touches a circle, and from the point of contaft a ftraight line be... | |
 | Robert Simson - 1806 - 546 σελίδες
...triangle be equal to the other two, it is a right angle, because the angle adjacent to it is equal to the same two ; and when the adjacent angles are equal, they are right angles. PROP. XXXII. THEOR. IF a straight line touches a circle, and from the" point of contact a straight line be... | |
 | Euclid - 1810 - 554 σελίδες
...is FC is perpendicular to DE. Therefore, if a straight line, &c. QED C a 18. 3. PROP. XIX. THEOR. GE IF a straight line touch a circle, and from the point of contact a straight line be drawn at right angles to the touching lirie, the centre of the circle shall be in that line. L« the straight... | |
 | John Mason Good - 1813 - 714 σελίδες
...shall be perpendicular to the line touching the circle. Prop. XIX. Theor. If a straight line touches a circle, and from the point of contact a straight line be drawn at right angles to the. touching line, the centro of the circle shall be in that line. Prop. XX. Theor.... | |
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to the same two, and when the adjacent angles are equal, they are right angles. Prop. 32. If a straight line touch a circle, and from the point of contact a straight line be drawn cutting the circle; the angles made by this line with the line touching... 
