Geometry Crossword

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Across
  1. 4. the space occupied by a three-dimensional figure within the boundaries of the object
  2. 5. a shape with at least 3 straight sides and angles
  3. 9. mass over volume
  4. 11. arc length over radius
  5. 12. opposite over hypotenuse
  6. 13. adjacent over hypotenuse
  7. 14. a part of the circumference of a circle
  8. 15. (b*h)/2
Down
  1. 1. the space occupied by a two-dimensional figure on a surface
  2. 2. a location on the plane
  3. 3. polygon with four sides
  4. 5. 3.14
  5. 6. a straight one-dimensional figure that continues endlessly on both sides
  6. 7. the person who made the Pythagorean theorem
  7. 8. a line segment from a point on the circle to the center
  8. 10. opposite over adjacent