Geometry Activity

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Across
  1. 2. A polygon with three sides and three angles
  2. 4. Lines Lines that cross each other at a point
  3. 5. A polygon with nine sides and nine angles
  4. 9. A line segment joining any two points on a circle
  5. 12. The total length of the sides of a polygon
  6. 20. A line segment passing through the center of a circle, connecting two points on the circumference
  7. 22. A part of a line with one endpoint
  8. 23. A portion of the circumference of a circle
  9. 26. A line that touches a curve at a single point
  10. 27. A branch of mathematics concerned with the properties and relationships of points, lines, surfaces, solids, and space.
  11. 29. Theorem A theorem relating the sides of a right triangle
  12. 31. A polygon with ten sides and ten angles
  13. 32. Angle A sharp angle, less than 90 degrees
  14. 34. Angle An angle that forms a straight line, 180 degrees
  15. 36. Formed by two rays sharing a common endpoint
  16. 38. A polygon with five sides and five angles
  17. 39. The distance around a circle
  18. 40. A point where two or more lines meet
Down
  1. 1. Having the same shape but different sizes
  2. 3. Segment A part of a line with two endpoints
  3. 6. Angle A wide angle, greater than 90 degrees
  4. 7. Having the same shape and size
  5. 8. A side of a polygon, often used as a reference for height
  6. 10. The perpendicular distance from the base to the opposite side or vertex
  7. 11. A line that intersects a curve at two points
  8. 12. A closed plane figure with three or more straight sides
  9. 13. A line segment joining the center of a circle to its circumference
  10. 14. Angle An angle exactly 90 degrees
  11. 15. Lines Lines that intersect at a right angle
  12. 16. A polygon with six sides and six angles
  13. 17. A round plane figure whose boundary consists of points equidistant from a fixed point
  14. 18. Angle An angle greater than 180 degrees but less than 360 degrees
  15. 19. A specific location in space, often represented by a dot
  16. 21. The measure of the surface enclosed by a figure
  17. 24. The property of a figure that allows it to be divided into identical halves
  18. 25. A polygon with four sides and four angles
  19. 28. A polygon with eight sides and eight angles
  20. 30. A polygon with seven sides and seven angles
  21. 33. A straight path extending infinitely in both directions
  22. 35. A line segment forming part of a polygon
  23. 37. Lines Lines that never intersect