Geometry Math Words

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Across
  1. 2. in or near an inner area
  2. 5. angle the supplement of an interior angle of a polygon
  3. 6. elevation above sea level or above the earth's surface
  4. 7. the property created by the space between two objects
  5. 9. a shape with a circular base and sides tapering to a point
  6. 11. a continuous portion of a circle
  7. 12. a plane curve with every point equidistant from the center
  8. 15. ratio of the adjacent side to the hypotenuse of a right-angled triangle
  9. 17. the length of the closed curve of a circle
  10. 18. of equal importance, rank, or degree
  11. 19. corresponding in character or kind
  12. 20. the length of a straight line through the center of a circle
Down
  1. 1. lying in the same plan
  2. 3. being essentially comparable to something
  3. 4. a combination of three or more notes that blend harmoniously
  4. 7. a specific identifiable position in a continuum or series
  5. 8. triangle a three-sided regular polygon
  6. 10. an area that is in the middle of some larger region
  7. 13. triangle a triangle whose interior angles are all acute
  8. 14. angle two angles whose sum is a right angle
  9. 16. the space between two lines or planes that intersect
  10. 18. a surface generated by rotating a line around a fixed line