Across
- 3. a curved shape used in bridges to cause compression
- 6. Triangle with all equal side lengths.
- 8. cut the world in half
- 10. 4 sided shape
- 11. a solid with 4 triangular faces, 1 square face
- 14. basketball is an example of this solid
- 15. Area = pi x r squared
- 18. half moon shape
- 20. strong shape used by bees
- 21. when one side is the same as the other side
Down
- 1. circular solid with an orthogonal height
- 2. Triangle with 2 equal side lengths.
- 4. degrees in a triangle
- 5. starts with "p" and ends in "gon"
- 7. sides on a pentagon
- 9. number of sides on a stop sign
- 10. Triangle with no equal side lengths.
- 12. degrees in a circle
- 13. ten sided shape
- 16. Volume = 1/3 pi x r squared x height
- 17. A triangle with a 90 degree angle.
- 19. shape whos' Area = Length x Width