Across
- 1. A cylinder with polygonal regions as bases
- 3. The set of all points in space that are a given distance from a point
- 4. Any segment from the center to a point on a sphere
- 5. Endpoints of edges of a polyhedron
- 6. The line segments connecting each point on the curve to the vertex of a cone or to the corresponding point of the other base of a cylinder
- 10. The union of two regions of the same size and shape in different parallel planes and the set of segments that connect corresponding points on the boundaries of the regions
- 12. A cone with a polygonal region as its base
- 13. Intersection of adjacent faces of a polyhedron
- 14. Segments whose endpoints are on a circle
- 17. Cones and cylinders that are not right
- 18. A simple closed curve that consist of only segments
- 21. The ratio of a circle’s circumference to its diameter
- 22. Each polygonal region forming the surface of a polyhedron
- 23. The point from which all points on a sphere are equidistant
- 24. Union of a region and all segments that connect the boundary of the region with a specific noncoplanar point
- 25. The union of a closed surface and its interior
- 26. A cone with a polygonal region as its base
Down
- 1. The union of a polyhedron’s closed surface (boundary) and its interior
- 2. The noncoplanar point of a cone
- 7. A curve that is a subset of a circle
- 8. A continuous set of points
- 9. Both equilateral and equiangular
- 11. Triangular lateral surfaces of pyramids or rectangular lateral surfaces of prisms
- 15. A connected set of points in space having the thickness of a point
- 16. The set of all points in space that are a given distance from a point
- 19. Segment formed by the intersection of two lateral faces
- 20. Each segment of a polygon
- 26. The ratio of a circle’s circumference to its diameter