Across
- 2. a straight line joining two opposite corners of a square, rectangle, or other straight-sided shape
- 3. a plane figure with four equal straight sides and four right angles
- 5. a half of a sphere
- 7. a quadrilateral such that both pairs of opposite sides parallel
- 8. a part of a line that is bounded by two distinct end points
- 9. a part of a curve, especially a part of the circumference of a circle
- 10. an object shaped like a round ball
Down
- 1. lines in a plane which do not meet
- 4. a solid three-dimensional geometric shape that has a circular base and a single vertex
- 6. the boundary of a 3-D figure