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The teaching of geometry (1911)

Smith, David Eugene, 1860-1944 · Boston, New York [etc.] Ginn and Company · leaf 206

An illustration from The teaching of geometry, 1911, leaf 206
and Y,and also with P and X. Then walk along XM produced untilyou reach a point X/ that is exactly in line with M and X, andalso with (2 and Y. Then measure Y/X/ and you have the lengthof XY. For since YX is _L to PQ, and A V is also JL to PQ, YXis II to Al. And since PM = MQ, therefore XM = MX…

Geometry

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