Geometry Crossword Puzzle

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Across
  1. 2. A point in the middle of a line
  2. 4. a 4-sided shape with 2 pairs of parallel sides
  3. 7. a trapezoid with two right angles
  4. 12. a 4-sided shape with all equal sides
  5. 14. a triangle where all the angles are unequal
  6. 16. a long, narrow mark
  7. 17. an angle that > 90°
  8. 18. A line intersecting a system of lines
  9. 19. a 6-sided shape
  10. 20. ≅
Down
  1. 1. A conclusion assumed to be true but has no evidence to be true or false
  2. 3. A 7-sided shape
  3. 5. The perimeter of a circle
  4. 6. opposite of inverse
  5. 8. 2 lines that will never intersect
  6. 9. The total of all the sides of a shape combined
  7. 10. opposite of converse
  8. 11. the point of intersection of all the three interior angle bisectors of the triangle
  9. 13. an angle that = 90°
  10. 15. the line segment connecting the midpoints of two sides of a triangle