 | Euclid - 1835 - 540 sider
...circle are those in which the angles are equal, or which contain equal angles. PROP. I. PROB. See N. To find the centre of a given circle. Let ABC be the...given circle ; it is required to find its centre. a 10. 1. Draw within it any straight line AB, and bisect* it in D; b 11. i. from the point D drawb... | |
 | John Playfair - 1836 - 488 sider
...circle, are those in which the angles are equal, or which contain equal angles. • PROP. I. PROB. To find the centre of a given circle. Let ABC be the...given circle ; it is required to find its centre. a 10. 1. b 11. 1. c8.1. '.Draw within it any straight line AB, and bisect* it in Book HI. D; from the... | |
 | John Playfair - 1836 - 148 sider
...the diameter divides the circle into two equivalent parts. Which was to be proved. PROP. III. PROB. To find the centre of a given circle. Let ABC be the...given circle ; it is required to find its centre. Drawany straight line AB in the circle 'ABC, and bisect (8. 1.) it in D ; from the point D draw (9.... | |
 | Euclid, James Thomson - 1837 - 410 sider
...which contain equal angles. 9. Concentric circles are those which have the same centre. PROP. I. PROB. To find the centre of a given circle. Let ABC be the...is required to find its centre. Draw any chord AB, and (I. 10.) bisect it in D ; from D draw (I. 11.) EDC at right angles to AB, and bisect it in F: F... | |
 | Andrew Bell - 1837 - 290 sider
...the point without the circle from which it is drawn being a point of external section. PROPOSITION I. PROBLEM. To find the centre of a given circle....given circle; it is required to find its centre. Draw within it any chord AB, and bisect it in D (1. 10); from the point D draw DC at right angles to AB... | |
 | Euclides - 1838 - 264 sider
...segments of circles are those in which the angles are equal, or which contain equal angles. PROP. I. PROB. To find the centre of a given circle. Let ABC be the...circle ; it is required to find its centre. Draw any straight line AB, terminating in the circumi ference, and bisect* it in D ; from the point D ' ' draw*... | |
 | Robert Simson - 1838 - 434 sider
...of a circle, are those in which the angles are equal, or which contain equal angles. PROP. I. PROB. To find the centre of a given circle.* Let ABC be...given circle; it is required to find its centre. Draw within it any straight line AB, and bisect (10. 1.) it in D; from the point D-draw (11. 1.) DC at right... | |
 | Euclides - 1841 - 378 sider
...segments of circles are those in which the angles are equal, or which contain equal angles. PROP. I. PROB. To find the centre of a given circle. Let ABC be the...is required to find its centre. Draw any chord AB, and bisect* it in D; from the * 10. 1. point D draw* DC at right angles to AB, and produce * 11. 1.... | |
 | Euclides - 1842 - 316 sider
...of a circle are those in which the angles are equal, or which contain equal angles. PROP. I. PROB. To find the centre of a given circle. Let ABC be the...given circle: it is required to find its centre. Draw within it any straight line AB, and bisect (10. 1.) it in D; from the point D draw (11. 1.) DC at right... | |
 | John Playfair - 1842 - 332 sider
...a circle, are those in which the angles are equal, or which contain equal angles. PROP. I. PROB. * To find the centre of a given circle. Let ABC be the...given circle ; it is required to find its centre. Draw within it any straight line AB, and bisect (10. 1.) it in D ; from the point D draw (11. 1.) DC at... | |
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To find the centre of a given circle. Let ABC be the given circle ; it is required to find its centre. Draw within it any straight line AB, and bisect (I. 
