Geomotry Cross word puzzle.

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Across
  1. 4. An angle smaller than a right angle
  2. 6. A triangle with one angle greater than 90 degrees
  3. 8. A prism whose lateral faces are rectangles
  4. 9. A triangle with one angle equal to 90 degrees
  5. 10. A prism where all sides are squares
  6. 12. An angle that measures exactly 90 degrees
  7. 14. A quadrilateral with opposite sides parallel
  8. 16. The sum of the areas of the lateral faces
  9. 20. A line that divides an angle into two equal parts
  10. 25. A polygon with all sides and angles congruent
  11. 26. A parallelogram with all sides equal
  12. 27. A straight path extending infinitely in both directions
  13. 28. The ratio of the length of the side opposite an acute angle to the hypotenuse in a right triangle
  14. 29. The measure of the space enclosed by a surface
  15. 31. A solid with two congruent circular bases
  16. 34. Points that lie on the same flat surface
  17. 35. An infinite flat surface
  18. 37. The distance around a polygon
  19. 38. Angles that have the same measure
  20. 40. Lines that intersect at right angles
  21. 41. A parallelogram with four right angles
  22. 45. Angles formed by two chords in a circle
  23. 47. A quadrilateral with one pair of parallel sides
  24. 48. In a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides
Down
  1. 1. A triangle with all angles congruent
  2. 2. An angle larger than a right angle but less than a straight angle
  3. 3. A polygon with four sides
  4. 5. Triangles with corresponding sides and angles equal
  5. 7. A line that divides a figure into two congruent halves
  6. 10. An angle whose vertex is the center of the circle
  7. 11. Circles with the same radius
  8. 13. A portion of the circumference of a circle
  9. 15. Perpendicular segment from the vertex of a solid to the opposite base
  10. 17. The amount of space occupied by a solid
  11. 18. An arc measuring less than 180 degrees
  12. 19. Lines that never intersect and are in the same plane
  13. 21. Segments that have the same length
  14. 22. A line segment joining a vertex to the midpoint of the opposite side
  15. 23. The set of all points equidistant from a central point
  16. 24. Two angles whose sum is 90 degrees
  17. 30. The point exactly halfway along a segment
  18. 32. A set of points in space equidistant from a fixed point
  19. 33. A closed figure formed by straight lines
  20. 36. A part of a line with two endpoints
  21. 39. The distance around a circle
  22. 42. A polygon with three sides and three angles
  23. 43. A line segment joining two points on the circle
  24. 44. A line touching a circle at exactly one point
  25. 46. A comparison of two quantities using division