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Frustum




  align center colspan=2
  bgcolor #e7dcc3Facesn Trapezoid s,<BR>2 N-agon
  bgcolor #e7dcc3Edges3n
  bgcolor #e7dcc3Vertices2n
  bgcolor #e7dcc3 Symmetry Group ''C''<sub>''nv''</sub>
  bgcolor #e7dcc3 Dual Polyhedron -
  bgcolor #e7dcc3Propertiesconvex