3 articles trouvés pour ce sujet.
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A three dimensional object |
2008-03-04 |
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Briana pose la question :
what is the 3d term for pentagon? like a circle is a shhere?
Penny Nom lui répond. |
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Diagonals in a regular dodecahedron |
2004-05-15 |
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Joshua pose la question :
A dodecahedron has twelve faces, all of which are regular pentagons. Three edges meet at each vertex of the dodecahedron. An interior diagonal is a segment connecting two vertices such that the segment is not an edge or along a face of the dodecagedron. How many interior diagonals does a regular dodecahedron have?
Penny Nom lui répond. |
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Platonic Solids Surface Area |
1998-12-02 |
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Rachel Bidwell pose la question :
How do you find the surface area of the 5 platonic solids, when they each have a volume of one cubic inch
Harley Weston lui répond. |
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