Answer | Crossword Clue |
---|---|
trihedron | the figure determined by three planes meeting in a point |
trihedra | the figure determined by three planes meeting in a point |
pyramid | to increase by adding gradually / a solid figure with triangular sides meeting in a point |
trihedron | a solid figure with three plane surfaces meeting at a point |
trihedrons | TRIHEDRON, a solid figure with three plane surfaces meeting at a point |
trihedra | TRIHEDRON, a solid figure with three plane surfaces meeting at a point |