The elements of Euclid for the use of schools and colleges : books I., II., III. (1876)
Todhunter, I. (Isaac), 1820-1884 · Toronto : Copp, Clark · leaf 77
ich contain the angle. 10. A sector of a circle is thefigure contained by two straightlines drawn from the centre, andthe circumference between them. 11. Similar segments ofcircles are those in whichthe angles are equal, or whichcontain equal angles. [^Note. In the following propositions, whenever… … PROPOSITION 1. PROBLEM. To find the centre of a given circle. Let ABC be the given circle: it is recjuired to find itscentre. BOOK in. 1. 73
Geometry · Euclid's Elements · Mathematics, Greek
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