Illustration of a decagonal bifrustum created by three parallel planes of decagons with the middle plane largest. The top and bottom decagons are congruent. It can be constructed from two congruent frustums across a plane of symmetry, or as a bipyramid with truncated vertices.
Keywordspyramid, pyramids, frustum, bipyramids, decagon, parallel planes, frustums, bifrustum, truncated bipyramid, decagonal bifrustum, decagons
Florida Center for Instructional Technology Clipart ETC (Tampa: University of South Florida, 2007)