Across
- 4. A quadrilateral with only one pair of parallel sides
- 6. Three or more triangular faces that meet at a point
- 11. The amount of space within the perimeter
- 12. Perimeter of a circle
- 14. Two dimensional surface that extends infinitely far
- 16. Six side polygon
- 17. The distance around the edge of a shape
- 19. The amount of space in a object
- 20. Solid figure whose two end faces are similar
Down
- 1. Line segment joining two points on a curve
- 2. Three dimensional shape contained by six equal squares
- 3. A round solid figure
- 5. An angle greater than 90 degrees but less than 180 degrees
- 7. Lines that are always same apart
- 8. Length of a line sliced down the center of a pie
- 9. A figure with four equal sides and four right angles
- 10. Five sided polygon
- 12. Roughly circular base to a point
- 13. A line segment extending from the center of a circle
- 15. Point where two straight lines meet
- 18. A line that has one endpoint