Geometry

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Across
  1. 2. The space inside a 2D shape
  2. 5. the longest side of a right triangle, opposite the right angle
  3. 10. A line with one endpoint that extends infinitely in one direction
  4. 11. Less than 90°
  5. 12. Exactly 180°
  6. 15. Units used to measure angles
  7. 16. A line passing through the center of a circle, touching both sides
  8. 19. A turn around a point
  9. 21. A location in space with no size or dimension
  10. 22. A polygon with 4 sides
  11. 25. A straight path with no endpoints
  12. 26. Part of a line with two endpoints
  13. 28. Formed by two rays sharing a common endpoint
  14. 29. A closed figure with straight sides
  15. 30. The point where two sides or edges meet
Down
  1. 1. The distance around a circle
  2. 3. lines Lines that never intersect
  3. 4. A polygon with 3 sides and 3 angles
  4. 6. lines Lines that intersect at 90°
  5. 7. Greater than 90° but less than 180°
  6. 8. A slide or shift from one place to another
  7. 9. Distance from the center to the edge of a circle
  8. 12. A figure that can be divided into mirror-image halves
  9. 13. A flip over a line
  10. 14. The distance around a shape
  11. 17. Exactly equal in size and shape
  12. 18. A set of points equidistant from a center point
  13. 20. A grid for locating points using (x, y)
  14. 23. The space inside a 3D object
  15. 24. Exactly 90°
  16. 27. Same shape, different size