Across
- 2. a solid geometric figure whose two end faces are similar, equal, and parallel rectilinear figures, and whose sides are parallelograms
- 7. a plane figure with six straight sides and angles
- 11. a round solid figure, or its surface, with every point on its surface equidistant from its center
- 12. a plane figure with four straight sides and four angles
- 13. a plane figure with four straight sides and four right angles, especially one with unequal adjacent sides, in contrast to a square.
- 15. a straight or curved continuous extent of length without breadth
- 16. a plane figure with ten straight sides and ten angles
- 17. a plane figure with nine straight sides and nine angles
- 19. a quadrilateral with only one pair of parallel sides
- 21. a part of a line that is bounded by two distinct end points, and contains every point on the line between its endpoints
- 23. a solid geometric figure with straight parallel sides and a circular or oval cross section
- 25. a plane figure with at least three straight sides and angles
- 26. a surface or solid figure generated by the straight lines that pass from a circle or other closed curve to a single point not in the same plane as the curve
- 27. a solid which has six rectangular faces at right angles to each other
Down
- 1. a plane figure with eight straight sides and eight angles
- 3. any of a set of straight lines passing through one point
- 4. a plane figure with four equal straight sides and four right angles
- 5. a parallelogram with opposite equal acute angles, opposite equal obtuse angles, and four equal sides
- 6. the quantity that expresses the extent of a two-dimensional figure or shape
- 8. a polyhedron of which one face is a polygon of any number of sides, and the other faces are triangles with a common vertex
- 9. the amount of space that a substance or object occupies
- 10. a plane figure with seven straight sides and angles
- 14. the space between two intersecting lines or surfaces at or close to the point where they meet
- 18. a plane figure with three straight sides and three angles
- 20. a plane figure with five straight sides and five angles
- 22. a symmetrical three-dimensional shape, either solid or hollow, contained by six equal squares
- 24. a four-sided plane rectilinear figure with opposite sides parallel