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Joseph Percival "Joe" Allen IV (born June 27, 1937) is an American former NASA astronaut. He logged more than 3,000 hours flying time in jet aircraft....12 KB (1,232 words) - 07:18, 16 July 2024
A hendecahedron (or undecahedron) is a polyhedron with 11 faces. There are many topologically distinct forms of a hendecahedron, for example the decagonal...5 KB (553 words) - 02:55, 2 August 2024