math fun

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Across
  1. 4. flow______
  2. 7. dependent on something
  3. 8. double the radius
  4. 11. sides
  5. 12. complement each other
  6. 16. diagram in shape of a plant
  7. 18. egypt
  8. 19. only sides
Down
  1. 1. a squared plus b squared
  2. 2. right triangle
  3. 3. two angles and a side
  4. 5. not effected by anything
  5. 6. ice cream _____
  6. 9. middle point on graph
  7. 10. what does a mirror do
  8. 11. two sides and a angle
  9. 13. chance of something happening
  10. 14. math f__
  11. 15. ball
  12. 17. half of the diameter