Smith, David Eugene, 1860-1944 · Boston, New York [etc.] Ginn and Company · leaf 235
I ! llcf =sy • - BBBEIp Gothic Designs employing Circles ani> Bisected Angles 223 224 THE TEACHING OF GEOMETRY … Even simple designs of a semipuzzling nature havetheir advantage in this connection. In the followingexample the inner square contains all of the triangles,the letters showing where they may be fitted.1 Still more elaborate designs,based chiefly upon the squareand circle, are shown in thewindow…
Geometry
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