■サマーヴィルの等面四面体(その633)

【1】△5 in △4

【2】F6 in △4

【3】G7 in △4

【4】H8 in △4

のいずれであっても

4m^2+h^2(5)<4m^2+16h^2(2)

6m^2+4h^2(4)<6m^2+9h^2(3)

25h^2(1)

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【1】△6 in △5

【2】F7 in △5

【3】G8 in △5

【4】H9 in △5

5m^2+h^2(6)<5m^2+25h^2(2)

8m^2+4h^2(5)<8m^2+16h^2(3)

9m^2+9h^2(4)

36h^2(1)

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