Geometry Vocabulary

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Across
  1. 1. The angles of a triangle always ___ up to 180 degrees.
  2. 3. A polygon with three sides.
  3. 7. An angle equal to 90 degrees.
  4. 9. The sum of two odd numbers is always ___.
  5. 10. Angels are measured in ___.
  6. 12. Congruent angles have ___ measure.
  7. 15. An "If/then" statement.
  8. 17. Used to make smart arguments.
  9. 18. The part after the "if" in a conditional.
Down
  1. 1. An angle less than 90 degrees.
  2. 2. 2, 4, 6, 8 is an example of a ___.
  3. 4. Straight object with arrows on each end.
  4. 5. If you can find a counterexample, then the statement is ___.
  5. 6. Five-sided polygon.
  6. 8. A conditional statement looks like "if, ___".
  7. 11. The subject the studies shapes.
  8. 13. Can be acute, right, obtuse, or straight.
  9. 14. A location shown by a dot.
  10. 16. An angle greater than 90 degrees.
  11. 19. Four equal sides and four right angles.