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Regular icosahedron

math Maturity 11-13

This shape has many sides.

Regular icosahedron.stl
Regular icosahedron.stl
It has twenty flat sides. All the sides are triangles. You can find this shape on a game die. It is very cool! Can you find a triangle?

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🖼️ Images & Media (5)
File:Icosahedron-golden-rectangles.svg
Icosahedron-golden-rectangles.svg
Regular icosahedron.stl
File:Sphere symmetry group ih.svg
Sphere symmetry group ih.svg
File:Icosahedron graph.svg
Icosahedron graph.svg
File:Jessen icosahedron with snub icosahedron.svg
Jessen icosahedron with snub icosahedron.svg
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📚 Content adapted from Wikipedia | Readability: FK 14.6 | Vital Level 5