 | Robert Simson - Trigonometry - 1762 - 488 pages
...thofe in which the angles are equal, or which contain equal angles. PROP, I\ PROB. nPO find the center of a given circle. Let ABC be the given circle ; it is required to find its center* i. te. i. Draw within it any ftraight line AB, and bifect ' it in D ^ from 1. 1 1. 1. the point... | |
 | Robert Simson - Trigonometry - 1775 - 534 pages
...or which contain equal angles. PROP. I. PRO B. find the center of a given circle. a lo. i. b ii. i. Let ABC be the given circle ; it is required to find its center. Draw within it any ftraight line AB, and bifect * it in D ; from the point D draw b DC at right... | |
 | Euclid - 1781 - 552 pages
...a circle, are thofe in which the angles are equal, or which contain equal angles. PRO PI PR, O B. O find, the centre of a given circle. Let ABC be the given circle; it is required to find its centre * I0. r. Draw within it any ftraight line AB, and bifecV it in D • k IT. r. from thc Po,int D draw... | |
 | Euclid, John Playfair - Euclid's Elements - 1795 - 462 pages
...equal, or which contain equal angles. PRO PI PRO B. O find the centre of a given circle. """•» fft* , Let ABC be the given circle ; it is required to find its centre. Draw ui c8. Draw within it any ftraight line AB, and bifc$ A it in D ; &?ok IJJ. from the point D draw^'... | |
 | Alexander Ingram - Trigonometry - 1799 - 374 pages
...in- which the angles are equal, or which contain equal angles. e i0. i. p ni PROP. I. PROB. T JL O find the centre of a given circle. Let ABC be the...given circle ; it is required to find its centre. Draw within it any ftraight line AB, and bifect a it in D ; from the point D draw b DC at right angles to... | |
 | John Playfair, Euclid - Circle-squaring - 1804 - 468 pages
...fegments of a are thole in which the angles are equal, or which contain equal angles. PROP. I. PROS. O find the centre of a given circle. Let ABC be the...given circle ; it is required to find its centre. Draw ' Draw within it any ftraight line AB, and bifecl: a it in D ; Book III. from the point D draw b DC... | |
 | Robert Simson - Trigonometry - 1804 - 530 pages
...thofe in which the angles are equal, or which contain equal angles. To PROP. I. PR OB. find the center of a given circle. Let ABC be the given circle ; it is required to find its center. a. 10. i. Draw within it any ftraight line AB, and bifeft • it in D; from bt xi. i. the point... | |
 | John Playfair - Mathematics - 1806 - 320 pages
...are those in which the angles are equal, or which contain equal angles. ,, I PROP. I. PROB. Book III. 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* it in D ; a 10. 1. from the point D drawb DC at right angles... | |
 | Robert Simson - Trigonometry - 1806 - 546 pages
...contain equal angles. PROP. I. PROB. SeeN. TO find the centre of a given circle. a 10. 1. b 11. 1. Let ABC be the given circle ; it is required to find its centre. Draw within it any straight line AB, and bisect » it in D ; from the point D draw b DC at right angles... | |
 | Euclid - Geometry - 1810 - 554 pages
...of a circle, are those in which the angles are equal, or which contain equal angles. PROP. I. PROD. TO find the centre of a given circle. Let ABC be the...given circle ; it is required to find its centre. a V). 1. Draw within it any straight line A1J, and bisect» it in D j b It 1. from the point D draw... | |
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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. 
