Godfrey, C. (Charles), 1873-1924, Siddons, A. W. (Arthur Warry) joint author · Cambridge, University Press · leaf 127
st. line,BC is a St. line, Z.AOC is equal or supplemen-tary to L ABC. 108 INVERSION Example II. Prove the following theorem by inverting with regard to thepoint O. AOBF, AOCE are two circles intersecting at O, A; FO adiameter of the first cuts the second at C, EO a diameter of thesecond cuts the…
Geometry, Modern
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