Across
- 4. a polygon with three sides
- 6. the point where two sides of a polygon meet
- 7. a quadrilateral with both pairs of lines parallel
- 9. how much a 3d figure can hold
- 10. to take a part a shape
- 11. a 3d figure with a base that is a polygon and triangular faces
- 15. the number of square units enclosed by a shape
- 16. a 2d pattern you can fold to form a 3d shape
- 17. a parallelogram whose sides are all equal
- 18. a 3d figure with polygon shaped surfaces
- 19. a mathematical rule involving symbols
Down
- 1. the combined area of the faces on a 3d figure
- 2. a quadrilateral with 1 pair of parallel lines
- 3. two lines that form to make a right angle
- 5. formed from intersecting faces on a 3d figure
- 8. a branch of mathematics involving shapes
- 12. a prism is a 3d figure with two parallel faces
- 13. the line or surface a figure stands on
- 14. a quadrilateral with 2 pairs of adjacent sides that are equal
- 19. a surface of a 3d figure