Across
- 1. An equilateral parallelogram having oblique angles.
- 4. A rectangle having all four sides of equal length.
- 6. A parallelogram having four right angles
- 9. A triangle with one internal angle equal to 90 degrees.
- 10. Line segments that do not intersect.
- 12. The line segment between two points on a given curve.
- 15. A triangle with all sides equal and all angles equal.
- 16. A straight line extending from the center of a circle or sphere to the circumference or surface.
- 17. A polygon with four sides
- 19. Line segments that cross each other.
- 20. One part of a line.
Down
- 2. A triangle having three unequal sides and angles
- 3. A quadrilateral having both pairs of opposite sides parallel to each other.
- 5. A position in space.
- 7. Two line segments which cross to form 90 degree angles
- 8. A continuous extent of length.
- 11. A 90 degree angle.
- 13. An angle less than 90 degrees but greater than 0 degrees.
- 14. A polygon with 5 sides and 5 angles.
- 18. The intersection point of two sides of a plane figure.