math crossword puzzle

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Across
  1. 2. a polyhedron with 8 faces
  2. 4. a prism whose lateral faces are all rectangular
  3. 5. a quantity that has both magnitude and direction
  4. 10. the distance from the center of the base of the cone to any point on the edge of the base
  5. 14. a line that divides a plane figure into 2 congruent reflected halves
  6. 19. coplanar circles with the same center
  7. 20. an equation that is true for all values of the variable
  8. 23. the point of intersection of a circle or sphere with a tangent line or plane
  9. 24. a perspective drawing with 1 vanishing point
  10. 29. vectors that have the same magnitude and opposite directions
  11. 32. a transformation that changes the sizeof a figure but not its shape
  12. 35. a dilation that produces an image larger than its preimage
  13. 36. a circle with a radius of 1, centered at the origin
  14. 39. a cone where the altitude does not intersect the center of the base
  15. 40. a system of geometry defined on a sphere
  16. 41. a circle that is tangent to each side of a polygon
  17. 43. a dialation that creates a image smaller than its preimage
  18. 45. the length of a vector written |AB| or |v|
  19. 47. polyhedron with 12 faces
  20. 48. a quantity that is completely expressed by its magnitude and has no direction
  21. 49. polyhedron with 20 faces
  22. 50. a shape that results from a transformation of a figure known as the preimage
Down
  1. 1. the intersection of a 3 dimensional figure and a plane
  2. 3. a polyhedron with 4 faces
  3. 6. the point around which a figure is rotated
  4. 7. the original figure in a transformation
  5. 8. an edge of a prism or pyramid that is not an edge of a base
  6. 9. the flat circular surface of the cone
  7. 11. a segment or arc subtends an angle if the endpoints of the segment or arc lie on the sides of the angle
  8. 12. a transformation that shifts or slides every point of a figure or graph the same distance in the same direction
  9. 13. a transformation across a line, called the line of reflection, such that the line is the perpendicular bisector of each segment joining each point and its image
  10. 15. horizontal line in a perspective drawing that contains the vanishing points
  11. 16. half of a sphere
  12. 17. a transformation about a point P, also known as the center of rotation, such that each point and its image are the same distance from P
  13. 18. the region between two concentric circles
  14. 21. a change in the position,size, or shape of a figure or graph
  15. 22. an ordered rectangular arrangement of numbers
  16. 25. the form of a vector that lists the vertical and horizontal change from the initial point to the terminal point
  17. 26. a property illustrated when the image of a transformation of a figure coincides with the preimage
  18. 27. a pyramid whose base is a regular polygon and whose lateral faces are congruent isosceles triangles
  19. 28. triangle formed by the 3 midsegments of a triangle
  20. 30. the study of the properties of a geometric figure that do not change under stress
  21. 31. a triangle with at 2 congruent sides
  22. 33. symbols used to label the image in a transformation
  23. 34. the study of the relationship between sides and angles of triangles
  24. 37. the ratio between two corresponding measurements
  25. 38. perpendicular distance from the center of a regular polygon to one of its sides
  26. 42. the measure of an angle whose cosine ratio is known
  27. 44. the line that comes closest to all the points in a data set
  28. 46. a transformation that does not change the size or shape of a picture