Across
- 3. A polygon with four sides and four angles.
- 4. Lines that cross each other at exactly one point.
- 7. An angle that measures greater than 0 degrees and less than 90 degrees.
- 9. A polygon with seven sides and seven angles.
- 12. A part of a line; it has one endpoint and continues without end in one direction.
- 14. Lines in the same plane that never intersect and are always the same distance apart.
- 17. A polygon with three sides and three angles.
- 18. A parallelogram with opposite sides that are equal, or congruent, and with four right angles.
- 20. An angle that measures greater than 90 degrees and less than 180 degrees.
- 21. An exact location in space.
- 22. A polygon with eight sides and eight angles.
- 23. A parallelogram with four equal, or congruent, sides.
Down
- 1. Two lines that intersect to form four right angles.
- 2. A polygon with six sides and six angles.
- 5. A parallelogram with four equal, or congruent, sides and four right angles.
- 6. A straight path of points in a plane that continues without end in both directions with NO endpoints.
- 8. A quadrilateral with exactly one pair of parallel sides.
- 10. A quadrilateral whose opposite sides are parallel and equal, or congruent.
- 11. A closed figure formed by straight line segments.
- 13. A polygon with five sides and five angles.
- 15. A part of a line that includes two points called endpoints and all the points between them.
- 16. An angle whose measure is 180 degrees.
- 19. An angle that forms a square corner and has a measure of 90 degrees.