math-Lines and Angles

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Across
  1. 6. like a corner
  2. 9. has an end point, continues one way
  3. 13. lines which cross or meet
  4. 15. a closed figure having 4 sides
  5. 16. 2 rays having the same end point
Down
  1. 1. a part of a line, has a start and end
  2. 2. a triangle having 3 equal sides/angles
  3. 3. lines which meet at 90 degrees
  4. 4. a semicircle, tool for measuring angles
  5. 5. triangle having 0 equal sides/angles
  6. 7. a pair of lines which never meet
  7. 8. a closed figure having 3 sides
  8. 10. triangle having 2 equal sides/angles
  9. 11. a specific spot
  10. 12. continues at both ends without end
  11. 14. a shape that has 2 matching parts