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dodecahedron

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A three dimensional object 2008-03-04
From Briana:
what is the 3d term for pentagon? like a circle is a shhere?
Answered by Penny Nom.
Diagonals in a regular dodecahedron 2004-05-15
From Joshua:
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?
Answered by Penny Nom.
Platonic Solids Surface Area 1998-12-02
From Rachel Bidwell:
How do you find the surface area of the 5 platonic solids, when they each have a volume of one cubic inch
Answered by Harley Weston.
 
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