Math Vocabulary

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Across
  1. 4. The distance around a circle
  2. 6. A ray or segment that divides an angle into two congruent angles
  3. 9. Two angles with measures that have a sum of 180 degrees
  4. 11. Intersecting at right angles
  5. 12. Two angles that have the same measure
  6. 13. A polygon with all interior angles measuring less than 180 degrees
  7. 14. The area between the two rays of an angle
Down
  1. 1. A transformation that preserves distance and angle measure
  2. 2. Two angles with measures that have a sum of 90 degrees
  3. 3. The common endpoint of the two rays that form an angle
  4. 5. A closed plane figure with at least three straight sides
  5. 7. The area outside of the two rays of an angle
  6. 8. Two angles that lie in the same plane and have a common vertex and a common side but have no common interior points
  7. 9. An angle that measures 180 degrees
  8. 10. A pair of adjacent angles with noncommon sides that are opposite rays
  9. 12. A polygon with one or more interior angles with measures greater than 180 degrees