■切稜多面体(その17)

  A(0,0,3/2)

  B(1,0,1)

  C(3/4,−3/4,3/4)

  D(0,−1,1)

  A(0,−3/2,0)

  B(0,−1,1)

  C(3/4,−3/4,3/4)

  D(1,−1,0)

  A(3/2,0,0)

  B(1,0,1)

  C(3/4,−3/4,3/4)

  D(1,−1,0)

  A(0,0,3/2)

  B(−1,0,1)

  C(−3/4,−3/4,3/4)

  D(0,−1,1)

から,凧型24面体の二面角を求めてみたい.

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<きつい4価の頂点−ゆるい4価の頂点>131.81°

<ゆるい4価の頂点−3価の頂点>   146.446°

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