Smith, David Eugene, 1860-1944 · Boston, New York [etc.] Ginn and Company · leaf 275
n of the following figure is evident. It iseasily shown that the four quadrilaterals A BMX, XNCA, SB( /,and SRQP are con-gruent. ..ABMXNCAequals SBCPQRSIiiit is not congru-ent to it, the congru-ent quadrilateralsbeing differentlyarranged. Subtract the con-gruent trianglesMXN,ABC,RAQ,and the… … 1 An interesting Japanese proof of this general character may beseen in Y. Mikami, Mathematical Papers from the Far East,p. 127, Leipzig, 1910. LEADING PROPOSITIONS OF BOOK IV 265 ABC. Then because it has been turned through 90 . CAP will be perpendicular to AC. Then ±ab2 = A.i/;.r, and ±BC2 =…
Geometry
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