Geometry

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Across
  1. 2. a 6 sided shape which angles add up to 720 degrees
  2. 6. a 7 sided shape which angles add up to 900 degrees
  3. 8. when the angle is exactly 180 degrees
  4. 10. when 2 or more things are alike but have to be dilated
  5. 13. the total amount inside a 2-D shape
  6. 14. a 5 sided shape which angles add up to 540 degrees
  7. 15. when the angle is exactly 90 degrees
  8. 16. a nine sided shape which angles add up to 1260 degrees
Down
  1. 1. a ten sided shape which angles add up to 1440
  2. 3. an angle which is less than 90 degrees
  3. 4. an angle which is greater than 90 but less than 180 degrees
  4. 5. a 4 sided which angles add up to 360 degrees
  5. 7. the total amount of wedges on a shape
  6. 9. when 2 or more are objects have the angle measures and everything
  7. 11. a 3 sided shape which its angles add up to 180 degrees
  8. 12. a 8 sided shape which angles add up to 1080 degrees