Geometry Unit 1 Vocabulary

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Across
  1. 3. two lines that intersect to form a right angle
  2. 6. a rigid transformation that slides a figure
  3. 8. a triangle with 2 equal sides and 2 equal angles
  4. 11. a rigid transformation that turns a figure around a center point
  5. 12. another term for equal
  6. 14. a figure after transformation
  7. 15. any transformation that preserves angle measure and length
  8. 17. a rigid transformation that flips a figure across a line
  9. 18. a line/ray that splits something into two congruent parts
Down
  1. 1. a figure before transformation
  2. 2. a triangle with all equal sides
  3. 4. adjacent angles that form a straight line (180 degrees)
  4. 5. property of equality where x=x
  5. 7. the set of all points in a straight path that go on forever
  6. 9. angles that add up to 180
  7. 10. property of equality things that states if x=y then y=x
  8. 13. property of equality where x=y and y=z, then x=z
  9. 16. the set of all points in a straight path between two end points
  10. 17. the set of all points in a straight path from one point to infinity