M2 Topic 1 Vocabulary

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Across
  1. 2. the "if" portion of an if-then statement
  2. 4. a series of statements and corresponding reasons forming a valid argument
  3. 5. an example that proves a conjecture false
  4. 6. triangles with congruent corresponding sides and angles
  5. 8. the angle formed by two sides of a triangle
  6. 10. concluding that a statement is either true or false
  7. 11. a mathematical statement that is accepted without proof
Down
  1. 1. a statement that can be written in "if-then" form
  2. 3. the "then" portion of an if-then statement
  3. 7. the side located between two angles of a triangle
  4. 9. a mathematical statement that must be proven before accepted