A decahedron is a polyhedron having 10 faces. Examples include the augmented pentagonal prism (Johnson solid ), augmented tridiminished icosahedron (), nonagonal pyramid, octagonal prism, pentagonal dipyramid (, square antiprism, and square cupola ().

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Weisstein, Eric W. "Decahedron." From MathWorld--A Wolfram Web Resource. http://mathworld.wolfram.com/Decahedron.html