Geometry Crossword

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Across
  1. 3. semi circle used to measure
  2. 7. can be acute or obtuse
  3. 11. never touch
  4. 12. equivalent to 90 degrees
  5. 13. half infinite
  6. 15. a wall
  7. 16. tip of a pencil
Down
  1. 1. equals 180 degrees
  2. 2. So close but so far
  3. 4. two lines that meet at a single spot
  4. 5. infinite and straight
  5. 6. the unit used to measure angles
  6. 8. used to measure anythings length
  7. 9. the point which is halfway
  8. 10. a part
  9. 14. where two rays or segments meet