geometry

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Across
  1. 2. two angles directly across from each other on intersecting lines
  2. 4. points that lie on the same plane
  3. 7. a line or ray that divides an angle into two equal points
  4. 9. two angles that have the same measure are congruent
  5. 10. a location with no size or shape
Down
  1. 1. points that lie on the same line
  2. 3. a flat surface made up of points and extends indefinitely in all directions
  3. 5. a line that extends indefinitely in one direction
  4. 6. adjecent angles that are supplementary combined they form a straight line
  5. 8. made up of points with no thickness or width