Geometry Crossword

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Across
  1. 4. Intersects through something
  2. 6. 5 sided shape
  3. 8. Common side and common vertex
  4. 9. An angle more than 90 degrees, but less than 180
  5. 10. Quadrilateral whose sides all have the same length
  6. 12. A triangle with two sides of equal length
  7. 15. 2D shape with 4 right angles
  8. 17. All sides are the same length
  9. 18. 6 sided shape
  10. 19. A triangle with all sides being different lengths
Down
  1. 1. A square based,5 sided shape
  2. 2. Where two or more curved lines or edges meet
  3. 3. Same shape or size
  4. 5. A quadrilateral with no sides parallel
  5. 7. 8 sided shape
  6. 10. 90 degree angle
  7. 11. An angle larger than 180 degrees
  8. 13. Two distinct lines intersecting each other at 90° or a right angle
  9. 14. Straight, and has no thickness
  10. 16. An angle less than 90 degrees