Hart, C. A. (Clara Avis), b. 1863, Feldman, Daniel D., b. 1872 · New York, American Book Co · leaf 142
es of thechord of the arc. Ex. 463. If two chords of a circle are equal, the lines which connecttheir mid-points with the center of the circle are equal. BOOK II 131 TWO CIKCLES 325. Bef. The line determined by the centers of twocircles is called their line of centers or center-line. 326. Def.… … Given circumferences M and N meeting at P, a point not ontheir line of centers OQ, To prove that the circumferences meet at one other point, as i?. Argument 1. Draw OP and QP. 2. Eotate AOPQ about OQ as an axis until it falls in the position QBO. 3. OR = OP = a. radius of circle M. 4. .*. R is on…
Geometry, Plane · Geometry, Solid
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