Geometry Vocaburly

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Across
  1. 8. an angle between 90 and 180 degrees
  2. 10. being everywhere equidistant and not intersecting
  3. 11. space between two lines or planes that intersect
  4. 12. the property created by the space between two objects
  5. 14. the act of changing in form or shape or appearance
  6. 18. a triangle with no two sides of equal length
  7. 19. either of two equal and opposite angles formed by the intersection of two straight lines
Down
  1. 1. being essentially comparable to something
  2. 2. the 90 degree angle between two perpendicular lines
  3. 3. an angle less than 90 degrees but more than 0 degrees
  4. 4. a three-sided polygon
  5. 5. on the same plane
  6. 6. to be at an angle
  7. 7. a point equidistant from the ends of a line or the extremities of a figure
  8. 9. two angles whose sum is a right angle
  9. 13. the supplement of an interior angle of a polygon
  10. 15. one of several parts that fit with others to make a whole
  11. 16. extending or lying across
  12. 17. corresponding in character or kind