Across
- 3. - The total length of the sides of a two-dimensional shape.
- 4. - A four-sided polygon.
- 7. - A shape with no corners or edges.
- 8. - A two-dimensional figure with defined boundaries.
Down
- 1. - The point where two or more lines or edges meet in a shape.
- 2. - A three-sided polygon.
- 5. - The space between two intersecting lines or surfaces.
- 6. - The amount of space inside a two-dimensional shape.
- 8. - When one side of a shape is a mirror image of the other.
- 9. - A figure with three or more straight sides.