Geometry Terms

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Across
  1. 2. numbers used to determine the point
  2. 8. four-sided plane
  3. 11. inclined line
  4. 13. measurement of a surface
  5. 14. relationship between two amounts
  6. 18. SOH-CAH-TOA
  7. 19. continuous line of a closed geometric figure
Down
  1. 1. perimeter of the circle
  2. 3. meeting at one point
  3. 4. statements true without proof
  4. 5. a^2+ b^2= c^2
  5. 6. no proof needed from proven statement
  6. 7. Measure the earth
  7. 9. Half of Diameter
  8. 10. a part
  9. 12. intersecting altitudes
  10. 13. the space measured between intersecting lines
  11. 15. the highest point
  12. 16. intersection of all three angle bisectors
  13. 17. have many plane faces
  14. 19. likelihood of something happening