Intro to Proofs Crossword

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Across
  1. 5. an angle that measure 90 degrees
  2. 7. a set of points that extends infinitely in one direction
  3. 10. angles located between 2 lines and opposite sides of a transversal
  4. 13. lines that cross
  5. 14. lines that intersect and form right angles
  6. 15. a figure formed between 2 rays with a common endpoint
Down
  1. 1. an exact location in space
  2. 2. part of a line with 2 endpoints
  3. 3. a ray, segment, or line that divides a segment or angle into 2 congruent parts
  4. 4. a point that divides a line segment into to congruent parts
  5. 6. lines that do not intersect
  6. 8. a series of points that extends infinitely in both directions
  7. 9. a triangle with 2 equal sides and 2 equal angles
  8. 11. congruent angles formed by intersecting lines
  9. 12. a polygon with three sides