Ontario. Dept. of Education · Toronto : W. Briggs · leaf 349
ircles. 272 ART compasses should be used. If a constructive plan of squares be drawn first, eachcircle may be described with its centre at the point where four squares meet, itsradius being the side of a square. In this way the two diameters are in place asconstructive lines upon which the unit may…
Drawing
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