Across
- 4. polygon a polygon that has at least one interior angle greater than 180 degrees.
- 8. polygon a closed figure having all the interior angles less than 180.
- 10. a four-sided plane rectilinear figure with opposite sides parallel.
Down
- 1. a quadrilateral with only one pair of parallel sides.
- 2. a plane figure with four equal straight sides and four right angles.
- 3. is a four-sided figure.
- 5. polygons two polygons with the same shape, but not the same size.
- 6. an arrangement of shapes closely fitted together, especially of polygons in a repeated pattern without gaps or overlapping.
- 7. polygons a polygon that is the same shape, has the same length of sides, and has the same interior angles as the polygon it is being compared to.
- 9. a parallelogram with opposite equal acute angles, opposite equal obtuse angles, and four equal sides.
- 11. a plane figure with four straight sides and four right angles, especially one with unequal adjacent sides, in contrast to a square.
