Formulashapes
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Icosahedron
Equilateral Triangle
Isosceles Triangle
Scalene Triangle
Right Triangle
Square
Rectangle
Rhombus
Parallelogram
Trapezoid
Pentagon
Hexagon
Heptagon
Octagon
Nonagon
Decagon
Dodecagon
Circle
Ellipse
Arc
Annulus
Kite
Cube
Rectangular Prism
Pyramid
Cylinder
Cone
Sphere
Ellipsoid
Paraboloid
Hyperboloid
Tetrahedron
Octahedron
Dodecahedron
Icosahedron
Frustum of a cone
Frustum of a pyramid
What is an icosahedron ?
An icosahedron, with 20 triangular faces, models viral capsids and geodesic domes. Its high symmetry and structural stability are leveraged in gaming dice and molecular simulations. The volume formula is: Volume = (5/12) × (3 + √5) × side³.
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Formulashapes