truncated icosahedron

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truncated icosahedron [¦trəŋ‚kād·əd ‚ī¦käs·ə′hē·drən]

(mathematics)

An Archimedean solid with 32 faces (20 regular hexagons and 12 regular pentagons) and 60 vertices, a shape used in the construction of soccer balls.

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No references found			Truncated icosahedron is the name given to the 32 panel. Regulation Footballs for Soccer by Smooth Hound / Sports and fitness community The truncated icosahedron is the simplest shape to make a near-perfect spherical football. Dr Maths by Evening Chronicle (Newcastle, England) Thus, working in degrees, the number of vertices is given by V = 720/angle defect For example, the truncated icosahedron, which is the polyhedron giving the structure of the soccer ball, has two hexagons and a pentagon meeting at each vertex. Angle defect and Descartes' theorem by Scott, Paul / Australian Mathematics Teacher			Trumbull, John Trumbull, Jonathan Trumbull, Lyman trumeau Trumka, Richard Trümmelbach trump Trump, Donald Trump, Donald J Trump, Donald John Trumpet trumpet arch trumpet buoy trumpet creeper trumpet flower Trumpet Marine trumpeter Trumpeter Birds trumpeter swan truncate truncated cone Truncated Cylinder truncated distribution truncated gable truncated icosahedral gravitational-wave antenna truncated icosahedron truncated landform truncated paraboloid Truncated Prism truncated pyramid truncated roof truncation truncation error truncus arteriosis trundle Trung Bo Trung Trac and Trung Nhi Trunk trunk buoy Trunk Cables trunk circuit trunk exchange trunk feeder trunk group trunk height trunk lift trunk line Trunk Piston Engine trunk road trunk roadway trunk sewer			truncate truncated truncated truncated truncated Truncated Actin-Binding Protein Truncated Average Power Control Truncated Balanced Realization Truncated Binary Exponential Back-Off Truncated binary exponential backoff Truncated binary exponential backoff Truncated Cascade Recombination Truncated Channel Inversion Truncated Closed-Loop Power Control truncated cone truncated cone Truncated Cone Metal Case Truncated Cyclic Code Shift Keying Truncated Cylinder Truncated De-Correlating Detector Truncated distribution Truncated Exponential Biphasic Waveform Truncated Fibrobacter Succinogenes Truncated Floquet Wave Truncated Floquet Wave Full-Wave truncated gable truncated gable Truncated Ground Plane Truncated Icosahedral Gravitational Wave Antenna truncated icosahedral gravitational-wave antenna truncated icosahedron Truncated Infinite Impulse Response Truncated Insulin-Like Growth Factor Truncated JPEG file extension Truncated Julian day Truncated Julian Days truncated landform Truncated Modified Viterbi Algorithm Truncated Multi-Modular Hash Truncated Nerve Growth Factor Receptor Truncated Newton Conjugate Gradient Truncated octahedron truncated paraboloid Truncated Periodic Array Truncated Polynomial Expansion Monte Carlo truncated prism truncated pyramid truncated pyramid Truncated Recursive Back Propagation Truncated Reverse Path Broadcasting Truncated Rod Outer Segment truncated roof Truncated Singular Value Decomposition Truncated Square Pyramid Truncated Square Pyramid

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