Similar to 正四角錐柱
四角錐
Square pyramid正五角錐柱
Elongated pentagonal pyramid正三角錐柱
Elongated triangular pyramid正四角錐反柱
Gyroelongated square pyramid0
01
1▲1 trends2
23
3▲1 trends4
45
56
67
78
89
912345679
角錐
Pyramid (geometry)三角錐
Tetrahedron正四面体
Regular tetrahedron星型八面体
Stellated octahedron数学
Mathematics0.999...
0.999...0次元
Zero-dimensional space0の0乗
Zero to the power of zero1次元
One-dimensional space1+1
1+1+1+1+…
1 + 1 + 1 + 1 + ⋯1+2+3+4+…
1 + 2 + 3 + 4 + ⋯1+2+4+8+…
1 + 2 + 4 + 8 + ⋯