Flow Chart Proofs Crosswors

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Across
  1. 3. Triangle congruence postulate: two angles and the included side
  2. 4. Triangle congruence postulate: two sides and the included angle
  3. 9. A line, segment, or ray that divides an angle or a segment into two congruent parts
  4. 12. A statement that is accepted without proof
  5. 14. Proving statements are true by reasoning from accepted postulates, definitions, theorems, and given information is ________ reasoning
  6. 16. Two angles in a plane that have a common vertex and a common side but no common interior points
  7. 18. Two lines that intersect to form right angles are ________ lines
Down
  1. 1. Triangle congruence postulate: three sides
  2. 2. Triangle congruence postulate: two angles and a non-included side
  3. 5. A figure formed by two rays that have a common endpoint
  4. 6. A statement in a proof that must be shown to be true
  5. 7. Points all in one line are ______ points
  6. 8. A quadrilateral with four congruent sides
  7. 10. Lines that are not coplanar and never intersect
  8. 11. Two angles whose measures have a sum of 90 degrees are _______ angles
  9. 13. Two angles whose measures have a sum of 180 degrees are _______ angles
  10. 15. Points all in one plane are ______ points
  11. 17. A quadrilateral with one pair of opposite sides parallel