Geometry Terms

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Across
  1. 6. A statement that contains the words "if and only if."
  2. 9. All in one line.
  3. 10. An angle with measure between 0 and 90
  4. 12. A segment from a vertex to the midpoint of the opposite side.
  5. 15. All sides are congruent.
  6. 16. Two lines that intersect to form right angles.
  7. 19. A statement that can be proved.
  8. 20. An angle with measure 180.
Down
  1. 1. Lines that are not coplanar.
  2. 2. (Reasoning) where the conclusion is based on several past observations.
  3. 3. All in one plane.
  4. 4. The perpendicular segment from a vertex to the line containing the opposite side.
  5. 5. An angle with measure between 90 and 180.
  6. 7. An angle with measure 90.
  7. 8. No sides are congruent.
  8. 11. A statement that is accepted without proof.
  9. 13. All angles are congruent.
  10. 14. (Reasoning) proving statements by reasoning from accepted postulates, definitions, theorems, and given information
  11. 17. 2 or more congruent sides.
  12. 18. A line that intersects two or more coplanar lines in different points.