Across
- 2. a point where 2 angles begin or meet
- 6. a cube has 6 of these
- 8. angle that adds up to 180 degrees
- 9. a flat shape folds to make a solid
- 10. this shape has 2 circular faces and 1 curved face
- 13. an angle that is greater than 180 degrees but less than 360 degrees
- 15. angle that measures more than 90 degrees but less than 180 degrees
- 16. sum of angles 360 degrees
- 17. measures to 90 degrees
- 19. angles that are smaller than 90 degrees
- 20. the line joining 2 vertices of a solid
Down
- 1. we use this instrument with the degrees on it
- 3. 2 angles whose sum is 90 degrees
- 4. a polygon with 3 sides
- 5. -this shape has 6 square faces
- 7. shape has no vertices it is round
- 11. a solid shape with constant cross section
- 12. the plural of vertex
- 14. angle - makes a half turn
- 18. prism- looks like a book