Geometry Crossword

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Across
  1. 4. Lines that will never touch
  2. 6. The amount of space inside a shape
  3. 7. Two lines/sides that are the same\
  4. 8. A shape with 4 equal sides
  5. 10. An angle that is 90 degrees
  6. 11. Where two lines meet
  7. 12. The distance around the shape
  8. 14. Two angles that add up to 180 degrees
  9. 15. A triangle with all sides equal
  10. 16. The space in a 3D shape
Down
  1. 1. Lines that form a right angle
  2. 2. Two angles that add up to 90 degrees
  3. 3. A triangle with 2 equal sides
  4. 5. A triangle with no equal sides
  5. 9. A polygon with 4 sides
  6. 13. A straight path that extends forever