Geometry Crossword Puzzle

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Across
  1. 4. A point where two or more lines or edges meet.
  2. 6. A part of a line that has a starting point but no endpoint.
  3. 8. A polygon with five sides.
  4. 9. A closed figure with all points equidistant from a center point.
  5. 11. The distance from the center of a circle to any point on the circle.
  6. 14. The point where two lines meet.
  7. 18. A number that represents the size of a surface.
  8. 19. A shape with no corners or straight sides.
  9. 21. The sum of the lengths of all the sides of a polygon.
  10. 24. A closed shape with three sides.
  11. 25. The line segment that forms one side of a polygon.
Down
  1. 1. The distance around a circle.
  2. 2. A three-dimensional shape with a circular base and one vertex.
  3. 3. A polygon with six sides.
  4. 5. An angle measuring more than 90 degrees but less than 180 degrees.
  5. 7. Half of a circle.
  6. 10. An angle measuring less than 90 degrees.
  7. 12. A line segment that passes through the center of a circle and has endpoints on the circle.
  8. 13. The number of cubic units that fit inside a three-dimensional object.
  9. 15. An angle measuring exactly 90 degrees.
  10. 16. A three-dimensional shape with six square faces.
  11. 17. Across A line segment that connects two points on a circle.
  12. 20. Two lines that never intersect.
  13. 22. four-sided shape with four right angles.
  14. 23. A flat surface that extends infinitely in all directions.