Geometry Vocabulary

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Across
  1. 3. represented by a line with two arrowheads
  2. 5. terms that dont require a formal definition
  3. 6. terms that can be described using known words
  4. 7. two endpoints and all the points between them
  5. 10. real number that corresponds to a point on a line
  6. 11. angle thats measured greater than 0 and less than 90
  7. 13. set of two or more points that geometric figures have in common
  8. 14. a rule accepted without proof
  9. 15. a rule thats accepted without proof
  10. 18. measure greater than 90 and less than 180
  11. 19. location represented by a dot with no dimension
  12. 21. has a measure of 90
  13. 22. branch of math that deals with shapes and angles
Down
  1. 1. points that represent the end of a line segment
  2. 2. points that lie on the same line
  3. 4. rays of the angle
  4. 8. has a measure of 180
  5. 9. flat surface that extends infinitely in 2 dimensions
  6. 12. points that lie in the same plane
  7. 16. a point that divides a segment into 2 congruent segments
  8. 17. a line with a single endpoint
  9. 20. absolute value of coordinates on the line