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Solid triangles (Posted on 2005-08-26)

Using only the vertices of a regular icosahedron as the corners, how many equilateral triangles can you make?

What if you could only use the vertices of a regular dodecahedron?

See The Solution Submitted by Tristan

Rating: 3.0000 (1 votes)

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Puzzle Answer

Comment 10 of 10 |

(I) Precisely 40 equilateral triangles could be made using only the vertices of a regular icosahedron as its corners.

(II) Precisely 60 equilateral triangles could be made using only the vertices of a regular dodecahedron as the corners.

Posted by K Sengupta on 2022-08-30 23:48:59

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