Geometry Crossword

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Across
  1. 3. how likely an event is to occur
  2. 5. a point that divides a line into two
  3. 10. angle in a circle with it's vertex in the middle
  4. 13. a^2+b^2=c^2
  5. 14. a close shape with no straight lines
  6. 15. both events occur
  7. 16. the curve of a circle joining points
  8. 17. shape with 4 rights
  9. 18. steps to solve quadratic expressions
  10. 20. 1 pair of parallel sides (quad)
Down
  1. 1. branches to find probability
  2. 2. 2 dimensional figure with straight lines
  3. 4. when the outcome doesn't impact another outcome
  4. 6. length across a circle
  5. 7. straight line that touches a part of a circle (perpendicular)
  6. 8. same shape and same size
  7. 9. how to prove triangles are similar or congruent
  8. 11. shape that has one angle as 90 degrees
  9. 12. half the diameter
  10. 19. an angle in a circle with it's vertex on the circle