Geometry Vocabulary

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Across
  1. 2. moves every point of a figure the same distance in the same direction
  2. 4. a transformation that preserves length and angle measure
  3. 7. when triangles have the same shape and size
  4. 8. a rule that can be proven
  5. 9. the angle between two sides
  6. 11. a triangle with all three congruent sides
  7. 12. a figure with n sides
  8. 14. a transformation that uses a line like a mirror to reflect a figure
  9. 15. the two angles formed by the base and a leg
  10. 16. a triangle with no congruent sides
  11. 17. angles whose sum is 90°
  12. 18. a transformation that preserves shape but not size
  13. 19. whenever the side lengths and the angles that are touching are the same
  14. 20. the longest side of a right triangle, which is across from the right angle
Down
  1. 1. a triangle with at least two congruent sides
  2. 3. triangles that are the shape, but not necessarily the same size
  3. 5. a rule that is accepted without proof
  4. 6. the side between two angles
  5. 10. point, line, and plane
  6. 13. the sides other than the hypotenuse