■等面単体の体積(その367)
n=8の展開図については確認せずに・・・
P1P2=P2P3=P3P4=P4P5=P5P6=P6P7=P7P8=√8
P1P3=P2P4=P3P5=P4P6=P5P7=P6P8=√14
P1P4=P2P5=P3P6=P4P7=P5P8=√18
P1P5=P2P6=P3P7=P4P8=√20
P1P6=P2P7=P3P8=√20
P1P7=P2P8=√18
P1P8=√14
=P2P3=P3P4=P4P5=P5P6=P6P7= =√8
P1P3= =P3P5=P4P6= =P6P8=√14
P1P4=P2P5= =P4P7=P5P8=√18→3番目,後から3番目はNG*
=P2P6=P3P7= =√20
P1P6=P2P7=P3P8=√20
P1P7=P2P8=√18
P1P8=√14
===================================