Plane Geometry Vocabulary

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Across
  1. 2. A flat surface which extends infinitely in all directions.
  2. 5. Each dot on a paper made by a pencil or on a chalkboard made by a piece of
  3. 7. Angle has a measure below 90 degree
  4. 8. Angle has a measure that is exactly 180 degree
  5. 11. Angle has a measure that lies between 90 degree and 180 degree
Down
  1. 1. The angles that have a common arm
  2. 3. One of the geometric figures, which extends in two directions without ending.
  3. 4. Let A and B be two different points on a line. The set of these two points and all points lying between A and B is called ..........
  4. 6. Angle has a measure which is exactly 90 degree
  5. 7. Two rays or line segments that have same end point forms an ............
  6. 9. A straight line that begins at a certain point and extends forever in one direction
  7. 10. A set of all possible points extends infinitely in all directions