EntityQ2667025· pop 14· linked from 51 articlesHilbert's third problemSign in to saveone of twenty-three, asking whether one polyhedra can be cut and reassembled into anotherConnectionsWallace–Bolyai–Gerwien theoremEntityEuclidEntityCarl Friedrich GaussEntityKrakówEntityareaEntityInternational Standard Book NumberEntityDavid HilbertEntityreal numberEntityvolumeEntitycalculusEntitypolygonEntitydigital object identifierEntityInternational Standard Serial NumberEntityEuclidean geometryEntityradianEntityvector spaceEntitypyramidEntitythree-dimensional spaceEntitypolyhedronEntityJSTOREntityCategoriesEuclidean solid geometryGeometric dissectionGeometry problemsHilbert's problems