Geometry Vocabulary Puzzle

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Across
  1. 2. a polygon with 8 sides
  2. 4. a round shapes 2d image with no edges
  3. 6. a triangle that has all equal parts
  4. 8. a polygon with 5 sides
  5. 10. a polygon with 10 sides
  6. 14. if x=y then y can be substituted for x
  7. 15. a parralelagram whose szides are all equal
  8. 17. A shape with 4 right angles and four equal sides
  9. 18. where two right angles meet
  10. 20. the middle of two line segments
Down
  1. 1. a triangle that has two equal sides and its base angle are equal
  2. 3. a polygon with 6 sides
  3. 5. half of a circle
  4. 7. measure of any side equal to it
  5. 9. property if x=y and z=y than x=z
  6. 11. a shape with 4 90 degree angles and 2 sets of congruent sides
  7. 12. a line segment that goes from one corner to another
  8. 13. to dived two equal parts
  9. 16. triangle A triangle with no equal sides
  10. 19. is a polygon with 9 sides