Geometry Crossword Puzzle

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Across
  1. 4. angle- angle that measure between 0 and 90 degrees
  2. 5. the longest side of a right triangle
  3. 6. circles- circle whose radii are congruent
  4. 7. circles- lie in the same plane and have the same center
  5. 11. angle angles that add up to 90 degrees
  6. 12. lines- lie in the same plane and don't intersect
  7. 14. a segment that contain the center of the circle and whose endpoint are on the circle
  8. 16. a long narrow mark on a surface
  9. 17. a line, segment, or ray, in the plane
  10. 18. is any segment with one endpoint
Down
  1. 1. angles- two coplaner angles that have a common side but no common vertex
  2. 2. you can thin of it as a location
  3. 3. angle angles that add up to be 180 degrees
  4. 8. angles- angles that have the same measure
  5. 9. is a set of all points in a plane that are given
  6. 10. angle- two angles lying on opposite rays
  7. 12. a flat surface that has no thickness
  8. 13. angle- are two angles whose sides form two pair of opposite rays
  9. 15. lines- straight lines that do not intersect
  10. 18. angle- angle whose measure is 90 degrees