Across
- 4. quadrilateral with opposite sides parakeet and the same length
- 7. quadrilateral with one pair or parallel sides
- 9. a parallelogram with 4 right angles
Down
- 1. polygons with 3 sides
- 2. polygons with 4 sides
- 3. closed 2-dimensional shapes formed by 3 or more straight lines
- 5. the point where 3 or more edges meet on a solid
- 6. the line where two faces meet on a solid
- 8. a flat surface of a solid