Geometry

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Across
  1. 2. no 90 angles,two sets of parallels,= sides pentagon 5 sides
  2. 3. less than 90
  3. 5. 6 sides
  4. 7. two rays that come together at the vertices
  5. 10. triangle with all 3 sides and angles equal
  6. 11. looks like something you sail in the air
  7. 13. two lines that cross, angles not 90
  8. 15. mirror image
  9. 16. 3 sides
  10. 17. many sides in a closed shape
Down
  1. 1. equal
  2. 4. makes a T with right angles
  3. 6. side-by-side with equal space between
  4. 8. 4 sides
  5. 9. quadrilateral, no 90 angles, and one parallel obtuse between 90 and 180 angle
  6. 12. 8 sides
  7. 14. all sides and 90 degree angles equal, 2 parallels
  8. 15. a piece of a line