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Across
  1. 2. a rigid motion that moves every point of a figure or object the same distance in the same direction without changing its size, shape, or orientation
  2. 3. points that do not all lie on the same straight line
  3. 7. the longest side of a right triangle, opposite the right angle
  4. 8. the ratio of a circle's circumference to its diameter
  5. 10. a way of changing the position, size, or orientation of a shape
  6. 11. a line that intersects two or more other lines, typically parallel lines, at different points
  7. 13. an example that demonstrates a mathematical statement is false
  8. 14. pairs of angles formed when a transversal (a line that intersects two other lines) crosses two parallel lines
  9. 16. the likelihood of a randomly selected point landing within a specific region or line within a larger geometric shape
  10. 18. the distance around its boundary, essentially the "perimeter" of a circle
  11. 19. triangle where all three sides are of equal length, and consequently, all three interior angles are also equal, each measuring 60 degrees
  12. 20. a two-dimensional shape with straight sides where not all sides are equal in length and not all interior angles are equal in measure
Down
  1. 1. two lines that intersect at a right angle
  2. 4. the result or statement reached after applying logical reasoning and mathematical arguments, often within the framework of conditional statements
  3. 5. making generalizations about shapes or figures based on observing patterns or a limited number of specific examples
  4. 6. a shape's property where one side is a mirror image of the other
  5. 9. a point, line, or curve where two or more geometric objects (like lines, curves, planes, or surfaces) meet or cross
  6. 12. formed by swapping the hypothesis and conclusion of a conditional statement and negating both
  7. 15. pairs of angles that are located on the exterior of two parallel lines and on opposite sides of a transversal line
  8. 17. not lying on the same plane or surface