geometric terms

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Across
  1. 1. having same distance
  2. 5. temputure
  3. 8. circle ruler
  4. 9. two intersecting lines
  5. 10. angle from point a to point b
  6. 12. a one-dimention
  7. 16. highest point
  8. 17. angle 90 degree
Down
  1. 2. a straight
  2. 3. stick with number
  3. 4. 90 degree angle
  4. 6. two points going different directions
  5. 7. end of a sentence
  6. 8. flat shapes
  7. 11. two arrows going different directions
  8. 13. lying across
  9. 14. a point near the center
  10. 15. a straight