Smith, David Eugene, 1860-1944 · Boston, New York [etc.] Ginn and Company · leaf 168
polygon must be continuous, as the definition states.That is, in the second of these figures the shaded portionis not considered a polygon. Suchspecial cases are not liable to arise,but if questions relating to them aresuggested, the teacher should beprepared to answer them. If sug-gested to a…
Geometry
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