Geometry Vocabulary

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Across
  1. 2. lines intersect at right angle
  2. 5. vertical angles equal
  3. 6. a line half way through a circle
  4. 8. add up all the sides
  5. 15. two angles, sum equals 90 degrees
  6. 18. inside a shape
  7. 19. rotate a certain degree
  8. 20. 2 lines that don't intersect
  9. 21. equal, across from each other
Down
  1. 1. quadrilateral with a pair of parallel sides
  2. 3. interior same side on 2 lines
  3. 4. a triangle that has al1 different sides
  4. 7. the sum of 2 angles, 180 degrees
  5. 9. ratio
  6. 10. a transformation turning a figure
  7. 11. exterior equal to eacother
  8. 12. both sides line up with each other
  9. 13. interior add to 180
  10. 14. a straight line through center of a circle
  11. 16. all sides of equal lengths
  12. 17. 2 angles that form a straight line