Shape

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