Across
- 5. a single thing used for measuring
- 6. an angle smaller than ninety
- 8. things which are the same
- 9. a shape like a square except all the sides are not equal
- 11. an angle equal to ninety
- 13. a polygon with five sides
- 14. congruent figures dilated
- 15. a shape with ten sides
- 19. the distance across a circle
- 20. how tall something is
- 21. an angle greater than ninety
Down
- 1. the total space something takes up (3D)
- 2. the name of a 180° angle
- 3. a shape with all equal sides and all 90° angles
- 4. the distance around a circle
- 6. the total space something covers (2D)
- 7. a polygon with one set of parallel sides
- 10. the face of which a figure is built upon
- 12. a polygon with three sides
- 16. a round, 2D shape
- 17. how long something is
- 18. the distance from the center of a circle to the outside