geometry

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Across
  1. 2. a true statement that follows as a result of other true statements
  2. 3. has no dimensions and usually represented by a dot
  3. 6. an unproven statement that is based on observations
  4. 8. extends in one dimension
  5. 9. consists of two different rays
Down
  1. 1. to divide into two congruent parts
  2. 4. reasoning looking for patterns and making conejectures
  3. 5. the initial point of an angle
  4. 7. extends in two dimensions