Across
- 2. The number of square units the figure encloses
- 8. A 3D figure is the sum of the areas of its faces
- 9. A point where three or more or more edges meet
- 11. The number of cubic units needed to fill a solid figure
- 12. Lines that intersect to form right angles
- 14. A polygon with three sides
- 16. A parallelogram whose sides are all the same length
- 18. A 3D figure made of flat polygon-shaped surfaces called faces
- 19. A flat surface shaped like a polygon
- 20. A quadrilateral with two pairs of adjacent sides that are equal in length
Down
- 1. The mathematical study of shapes and space
- 3. A quadrilateral with both pairs of opposite sides parallel
- 4. A group of mathematical symbols that express a relationship
- 5. Breaking up a shape to form other shapes
- 6. A polygonal that does not connect to the vertex
- 7. A parallelogram with exactly one pair of parallel sides
- 10. A 3D figure with two parallel polygonal faces that are the same in size and shape
- 13. A segment formed by the intersection of two faces
- 15. A 2D pattern that you can fold to form a 3D figure
- 17. A 3D figure with a base that is a polygon and triangular faces that meet at a vertex