Across
- 2. - A parallelogram with all angles equal to 90 degrees.
- 4. - A quadrilateral with two distinct pairs of adjacent sides that are equal.
- 5. - A parallelogram with all sides equal.
- 8. - A polygon with four sides and four angles.
Down
- 1. - A quadrilateral with opposite sides parallel and equal.
- 3. - A line segment joining two non-adjacent vertices of a polygon.
- 6. - A rectangle with all sides equal.
- 7. - A quadrilateral with exactly one pair of parallel sides.