Johnson Solids (Page 1)
(box: x-ray)
(F: faces)
(slider: perspective)
(image: L=rotate R=zoom)
(M: metrics)
Please use a browser that supports "canvas"
(J15)
Elongated Square Dipyramid
Vertices:
10 ({8 + 2}[4])
Faces:
12 (8 equilateral triangles + 4 squares)
Edges:
20
Symmetry:
4-fold Prismatic (D4h)
(values below based on edge length = 1)
Volume:
(3+sqrt(2))/3
≈1.4714045207910316829