Across
- 3. line segment with no point, runs infinite
- 8. a line that has 1 start point but continues to infinite
- 9. angles that add up to 90°
- 10. a pushed over rectangle
- 11. angles that add up to 180°
- 12. a pushed over square
- 13. the polygon with the least amount of sides and angles
- 14. another name for 'equal'
- 16. a part of the circumference of a circle
- 17. an angle smaller than 90°
- 18. fully closed 2D shapes with straight sides
- 19. formed when two lines intersect each other
Down
- 1. the perimeter of a circle
- 2. the length across a circle through the middle
- 4. infinite lines that never intersect at any point
- 5. a part of the inside of a circle
- 6. an angle between 90° and 180°
- 7. a quadrilateral with congruent sides and angles
- 12. a quadrilateral with 2 pairs of parallels sides
- 15. another name for heptagon