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Educational woodworking for home and school (1908)
Park, Joseph C · New York, MacMillan · leaf 305
1. Right (One right angle) Acute Obtuse 3. Isosceles(equal legs) 8>/ \c ^/ 4> nS> ^7 = x$ / ^ V / Base (side) \ 2.Equi dteral (Equal sides) … Acute Obtuae 4. Scalene (Unequal leqsand angles) Fig. 251. — Trianarles.Manual training · Woodwork
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
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