Geometry Terms

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Across
  1. 3. 3 sided polygon
  2. 5. 2(l)+2(w)
  3. 6. two lines that go in the same direction and don't cross
  4. 9. Changes size but not shape
  5. 10. The meeting of two faces in a 3D figure
  6. 11. Equal in size and shape
  7. 13. Without a curve
  8. 16. Two angles add up to 90 degrees
  9. 18. Area lp+2B
  10. 20. two lines that meet to make a corner
  11. 21. if a=b then b=a
  12. 22. less than 90 degrees
  13. 23. (l)(w)(h)
  14. 25. Having curvy or undulating attributes
  15. 27. 2(pie)(r)
  16. 28. 8 sided figure
Down
  1. 1. Rise over run
  2. 2. An informal word to describe angles of objects.
  3. 4. Having a plane-like quality.
  4. 5. A flat two-dimensional surface upon which two-dimensional objects can lie, or the face of a three-dimensional object as it creates a surface; the dimensions of which are infinite.
  5. 7. exactly 90 degrees
  6. 8. theorem a2+b2=c2
  7. 12. more than 90 degrees
  8. 14. Surface planes on 3D figures
  9. 15. Moves shape, but doesn't change size or direction
  10. 17. if a=b and b=c, then a=c
  11. 18. Two angles add up to 180 degrees
  12. 19. 6 sided figure
  13. 24. lines that intersect to form right angles
  14. 26. 5 sided figure