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・ Tetrasquillidae
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Tetrated dodecahedron
・ Tetratema
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・ Tetratheca
・ Tetratheca bauerifolia
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・ Tetratheca gunnii
・ Tetratheca hirsuta
・ Tetratheca juncea
・ Tetratheca stenocarpa
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・ Tetrathemis
・ Tetrathemis camerunensis
・ Tetrathemis corduliformis
・ Tetrathemis denticauda


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Tetrated dodecahedron : ウィキペディア英語版
Tetrated dodecahedron

The tetrated dodecahedron is a near-miss Johnson solid. It was first discovered in 2002 by Alex Doskey. It was then independently rediscovered in 2003 and named by Robert Austin.〔(Tetrated dodecahedra )〕
It has 28 faces: twelve regular pentagons arranged in four panels of three pentagons each, four equilateral triangles (shown in blue), and six pairs of isosceles triangles (shown in yellow). All edges of the tetrated dodecahedron have the same length, except for the shared bases of these isosceles triangles, which are approximately 1.07 times as long as the other edges. This polyhedron has tetrahedral symmetry.
== Net ==

The 12 pentagons and 16 triangles are colored in this net by their locations within the tetrahedral symmetry.
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抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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